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Ancient bugs

Every species in the Wild Files corpus where ancient is a defining trait.

194 on file

On File
A common bed bug (Cimex lectularius), the apple-seed-sized parasitic insect.
Outlaw
Six Legs79
Alias
Cimex lectularius

Common Bed Bug

Survives a year without feeding. Has been with humans for 3,500 years. Wants nothing to do with you — except your blood.

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A desert locust (Schistocerca gregaria) in gregarious yellow-and-black phase.
Outlaw
Six Legs89
Alias
Schistocerca gregaria

Desert Locust

Solitary green bug, until crowded. Then it turns yellow, swarms, and darkens the sky.

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On File
A globe skimmer dragonfly (Pantala flavescens) in flight, golden body and clear wings.
Beneficial
Six Legs80
Alias
Pantala flavescens

Globe Skimmer Dragonfly

Longest insect migration on Earth (18,000 km). 95% kill rate. 360-degree vision.

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An African dung beetle (Scarabaeus satyrus) rolling a ball of dung in dust.
Beneficial
Six Legs82
Alias
Scarabaeus satyrus

African Dung Beetle

Navigates by the Milky Way. Rolls perfect straight lines. Pound-for-pound, the strongest insect ever measured.

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A goliath birdeater tarantula (Theraphosa blondi) at the entrance to its burrow on a rainforest floor.
Outlaw
Six Legs82
Alias
Theraphosa blondi

Goliath Birdeater

Largest spider on Earth by weight. Defends itself by hissing and flicking itch-bombs.

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On File
Honeypot ant repletes (Myrmecocystus mexicanus) hanging from the ceiling of an underground chamber, abdomens swollen with nectar.
Curious
Six Legs79
Alias
Myrmecocystus mexicanus

Honeypot Ant

Living food jars. Worker ants hang from the ceiling, swollen with nectar. Eaten as candy.

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On File
A leafcutter ant carrying a green leaf fragment along a forest trail.
Curious
Six Legs81
Alias
Atta cephalotes

Leafcutter Ant

Run the world’s oldest farms. Domesticated a fungus 50 million years ago. Excellent at chemistry.

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On File
A peacock mantis shrimp (Odontodactylus scyllarus), vivid green-and-orange body with stalked compound eyes.
Apex Outlaw
Six Legs87
Alias
Odontodactylus scyllarus

Peacock Mantis Shrimp

Sees 12 colors. Punches at 50 mph. The flash is hotter than the sun's surface.

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On File
A periodical cicada (Magicicada septendecim) on a leaf, showing the distinctive red eyes and orange wing veins.
Curious
Six Legs85
Alias
Magicicada septendecim

Periodical Cicada (17-Year)

Spends 17 years underground. Emerges by the trillion. Picks 17 because it's prime.

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On File
A silkworm moth (Bombyx mori) on a mulberry leaf, pale-cream wings folded.
Beneficial
Six Legs70
Alias
Bombyx mori

Silkworm Moth

Domesticated 5,000 years ago. Built the Silk Road. Adults can no longer fly.

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On File
A male European stag beetle (Lucanus cervus), dark mahogany body with enormous antler-like mandibles.
Curious
Six Legs73
Alias
Lucanus cervus

European Stag Beetle

Europe's largest beetle. Antlers like a deer. Wrestles other males over rotting logs.

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On File
A Macrotermes termite mound on the African savanna, with characteristic chimney and fluted walls.
Curious
Six Legs81
Alias
Macrotermes bellicosus

African Mound-Building Termite

Builds 9-meter air-conditioned towers. Farms fungus inside. Queen lays 30,000 eggs a day for 50 years.

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Weaver ants (Oecophylla smaragdina), green-amber bodies, in a chain pulling leaves together to form a nest.
Curious
Six Legs86
Alias
Oecophylla smaragdina

Asian Weaver Ant

Builds nests using their own larvae as living glue guns. Used as pesticide for 1,500 years.

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A male atlas beetle (Chalcosoma atlas), large dark body with three prominent forward-pointing horns.
Curious
Six Legs73
Alias
Chalcosoma atlas

Atlas Beetle

Asia's largest rhino beetle. Three forward horns. Males wrestle for branches.

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A common mayfly (Ephemera vulgata), slender body with three long tail filaments and translucent upraised wings.
Curious
Six Legs82
Alias
Ephemera vulgata

Common Mayfly

Adult life: 24 hours. Sometimes 5 minutes. The order's name means 'short-lived wing.'

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A snowy tree cricket (Oecanthus fultoni), small pale green body on a leaf, long antennae.
Curious
Six Legs70
Alias
Oecanthus fultoni

Snowy Tree Cricket

Count her chirps in 13 seconds, add 40 — that's the temperature in Fahrenheit. To one degree.

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On File
A tsetse fly (Glossina morsitans) at rest, brown segmented body with hatchet-shaped wings folded over the abdomen.
Outlaw
Six Legs86
Alias
Glossina morsitans

Tsetse Fly

Reshaped the map of Africa. Gives birth to single larvae. Carries sleeping sickness.

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On File
Queen Alexandra's birdwing butterfly (Ornithoptera alexandrae), enormous wings spread, male iridescent blue-green pattern.
Curious
Six Legs79
Alias
Ornithoptera alexandrae

Queen Alexandra's Birdwing

Largest butterfly on Earth — 28 cm. The first specimen was shot down with a shotgun.

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On File
A Lord Howe Island stick insect (Dryococelus australis), large glossy black phasmid with curved abdomen, on a leaf.
Curious
Six Legs85
Alias
Dryococelus australis

Lord Howe Island Stick Insect

Declared extinct in 1920. Found on a sea-cliff in 2001. Now back from the brink.

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On File
A Madagascan sunset moth (Chrysiridia rhipheus) with wings spread, iridescent green-blue-orange-gold pattern.
Curious
Six Legs73
Alias
Chrysiridia rhipheus

Madagascan Sunset Moth

Often called the most beautiful insect on Earth. Iridescent green, blue, orange, gold, red.

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An assassin bug (Reduvius personatus), elongated black-and-orange body with the characteristic curved rostrum visible.
Curious
Six Legs82
Alias
Reduvius personatus

Assassin Bug

Liquefies prey from inside out. Wears disguises of dust, lint, or the corpses of past kills.

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An ebony jewelwing damselfly (Calopteryx maculata), iridescent metallic blue-green body with jet-black wings folded above.
Beneficial
Six Legs72
Alias
Calopteryx maculata

Ebony Jewelwing Damselfly

Dragonfly's slender cousin. 200 million years old. Iridescent metallic body, midnight black wings.

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On File
An eastern dobsonfly (Corydalus cornutus) male, large gray-brown body with absurdly elongated curved mandibles extending forward from the head.
Curious
Six Legs80
Alias
Corydalus cornutus

Eastern Dobsonfly

Male carries 4 cm mandibles too long to bite. Larva ('hellgrammite') is a 3-year underwater predator.

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On File
A kissing bug (Triatoma infestans), elongated dark brown body with orange-edged abdomen typical of the species.
Apex Outlaw
Six Legs80
Alias
Triatoma infestans

Kissing Bug

Bites your face at night. Defecates on the wound. Carries Chagas disease — kills 12,000 a year.

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On File
A mountain pine beetle (Dendroctonus ponderosae), small dark cylindrical beetle on the bark of a pine tree.
Apex Outlaw
Six Legs78
Alias
Dendroctonus ponderosae

Mountain Pine Beetle

Killed 18 million hectares of pine forest since 2000. The largest insect-driven forest disaster in history.

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On File
A European paper wasp (Polistes dominula), slender black-and-yellow body, on the edge of a small open-comb nest.
Outlaw
Six Legs72
Alias
Polistes dominula

European Paper Wasp

Invented paper before humans. Recognizes nestmates by face. Tense dominance hierarchies under your eaves.

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A Japanese rhinoceros beetle (Allomyrina dichotoma), glossy dark brown body with characteristic forked horn projecting forward from the head.
Curious
Six Legs79
Alias
Allomyrina dichotoma

Japanese Rhinoceros Beetle

Lifts 850× her own weight. The kabutomushi of Japan — kept as a pet, wrestled in arenas, the heart of childhood.

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On File
A brown marmorated stink bug (Halyomorpha halys), shield-shaped marbled brown body with characteristic banded antennae.
Outlaw
Six Legs72
Alias
Halyomorpha halys

Brown Marmorated Stink Bug

Invasive Asian shield-bug. Devastates apples, peaches, soybeans. Stinks like burnt cilantro on contact.

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A titan beetle (Titanus giganteus), enormous chestnut-brown beetle with massive mandibles and elongated antennae.
Curious
Six Legs82
Alias
Titanus giganteus

Titan Beetle

Largest beetle in the world. 17 cm long. Snaps a pencil with her jaws. Larva has never been seen.

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On File
A common asparagus beetle (Crioceris asparagi), small leaf beetle with brilliant metallic blue-black elytra marked by three cream or yellow square spots bordered in red, six legs, top view.
Outlaw
Six Legs80
Alias
Crioceris asparagi

Common Asparagus Beetle

Major asparagus pest. Brilliant METALLIC BLUE-BLACK with red-bordered cream square spots. Larvae use FECAL SHIELDS.

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A cherry fruit fly (Rhagoletis cingulata), small dark fly with white markings and intricate dark wing patterns, six legs, side profile.
Outlaw
Six Legs77
Alias
Rhagoletis cingulata

Cherry Fruit Fly

Major NA cherry pest. Sister to apple maggot fly. The proverbial 'WORM IN THE CHERRY'.

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A European mantispid (Mantispa styriaca), small mantis-mimic neuropteran insect with raptorial front legs, triangular head with prominent forward-facing eyes, and four membranous wings, six legs, side profile.
Curious
Six Legs81
Alias
Mantispa styriaca

European Mantispid

European mantis-mimic LACEWING. Larvae burrow into SPIDER EGG SACS and eat the developing spiderlings.

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On File
An oak apple gall (induced by Amphibolips confluenta), large spongy 3-5 cm diameter spherical growth on an oak leaf with smooth tan-to-pinkish exterior, attached to oak twig.
Curious
Six Legs85
Alias
Amphibolips confluenta

Oak Apple Gall Wasp

Wasp HIJACKS oak DNA to grow GOLF-BALL-SIZED protective galls around her developing larvae.

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A codling moth (Cydia pomonella), small grayish-brown moth with subtle darker wing markings and distinctive dark coppery-bronze patch at the wing tip, six legs, side profile.
Outlaw
Six Legs83
Alias
Cydia pomonella

Codling Moth

World's most damaging apple pest — the proverbial 'WORM IN THE APPLE'. $1B+ annual global losses.

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An Oriental fruit moth (Grapholita molesta), small grayish-brown moth with subtle darker wing markings, six legs, side profile.
Outlaw
Six Legs78
Alias
Grapholita molesta

Oriental Fruit Moth

Most damaging stone fruit pest worldwide — sister to codling moth, controlled by pheromone mating disruption.

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A cactus moth (Cactoblastis cactorum), small gray-brown moth, six legs, side profile.
Outlaw
Six Legs90
Alias
Cactoblastis cactorum

Cactus Moth

Saved Australia from prickly pear (1925-32) — now THREATENING native NA cactus and Mexican prickly pear agriculture.

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An Indianmeal moth (Plodia interpunctella), small moth with diagnostic two-tone wing pattern showing reddish-brown coppery outer forewings and pale gray-cream inner forewings, six legs, side profile.
Outlaw
Six Legs81
Alias
Plodia interpunctella

Indianmeal Moth

Most damaging stored-product moth worldwide. Diagnostic SILK WEBBING in infested pantry foods.

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A Klamath weed beetle (Chrysolina quadrigemina), small leaf beetle with brilliant metallic green-or-blue elytra, six legs, top view.
Beneficial
Six Legs84
Alias
Chrysolina quadrigemina

Klamath Weed Beetle

Foundational NA weed-biocontrol success. Reduced invasive Klamath weed by 99% in western US in 10 years.

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A female sheep tick (Ixodes ricinus), small reddish-brown tick with darker legs, eight legs, top view.
Outlaw
Six Legs85
Alias
Ixodes ricinus

Sheep Tick (Castor Bean Tick)

Primary European LYME DISEASE vector. Also vectors tick-borne ENCEPHALITIS VIRUS. 65K+ Lyme cases/year in Europe.

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A potter wasp (Eumenes fraternus) and her urn-shaped mud nest, slender black wasp with bright yellow bands constructing a perfectly symmetrical mud pot the size of a small acorn attached to a twig.
Beneficial
Six Legs78
Alias
Eumenes fraternus

Potter Wasp (Mason Wasp)

Constructs MINIATURE URN-SHAPED MUD POTS — perfect symmetrical pottery vessels for single-caterpillar provisions.

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A western tent caterpillar (Malacosoma californicum), gregarious dark blue-and-black caterpillar with orange-and-blue dorsal markings, side profile.
Outlaw
Six Legs80
Alias
Malacosoma californicum

Western Tent Caterpillar

Western NA tent caterpillar. Builds white silk tents in branch crotches. Cyclic outbreaks in chaparral.

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A small carpenter bee (Ceratina dupla), tiny shiny dark-blue or dark-green metallic bee with reduced hairiness, six legs, side profile.
Beneficial
Six Legs78
Alias
Ceratina dupla

Small Carpenter Bee

TINY shiny METALLIC blue/green carpenter bee. Nests in HOLLOW STEMS. Provides maternal care to developing larvae.

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A Trichogramma wasp (Trichogramma pretiosum), tiny yellow-orange parasitoid wasp with large red compound eyes and short clubbed antennae, smaller than a grain of sand, top view.
Beneficial
Six Legs82
Alias
Trichogramma pretiosum

Trichogramma Wasp

TINY parasitoid wasp (0.3 mm). BILLIONS commercially mass-reared per year for agricultural pest control.

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An acrobat ant (Crematogaster lineolata), small dark brown ant with the diagnostic heart-shaped abdomen flattened laterally and pointed at the tip, six legs, side profile.
Beneficial
Six Legs79
Alias
Crematogaster lineolata

Acrobat Ant

HEART-SHAPED ABDOMEN that workers DRAMATICALLY RAISE over the back like a flag. ~500 species in the genus.

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A caterpillar hunter beetle (Calosoma sycophanta), large ground beetle with brilliant metallic green-and-gold elytra and powerful sickle-like mandibles, six legs, top view.
Beneficial
Six Legs84
Alias
Calosoma sycophanta

Caterpillar Hunter Beetle (European Ground Beetle)

Brilliant metallic GREEN-AND-GOLD ground beetle. INTRODUCED to NA in 1905 to control invasive spongy moth.

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A bullhorn acacia ant (Pseudomyrmex ferruginea), slender reddish-brown ant with long thin legs and large eyes, six legs, top view.
Beneficial
Six Legs81
Alias
Pseudomyrmex ferruginea

Bullhorn Acacia Ant

Foundational PLANT-ANT MUTUALISM. Lives in hollow thorns of acacia. Aggressively defends tree from herbivores.

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A Pacific dampwood termite (Zootermopsis angusticollis) soldier, large brown termite with massive elongated mandibles, six legs, top view.
Outlaw
Six Legs81
Alias
Zootermopsis angusticollis

Pacific Dampwood Termite

LARGEST termite in North America. Pacific Northwest. Ancient lineage with pseudergate worker biology.

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A death-watch beetle (Xestobium rufovillosum), small dark brown beetle with patches of short yellowish hairs giving the body a mottled appearance, six legs, top view.
Outlaw
Six Legs84
Alias
Xestobium rufovillosum

Death-Watch Beetle

Tapping wood beetle. Folk DEATH OMEN. Major pest of HISTORIC OAK TIMBER in European architecture.

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A garden symphylan (Scutigerella immaculata), tiny white-translucent 12-legged centipede-like arthropod with long thread-like antennae and no eyes, top view.
Curious
Six Legs83
Alias
Scutigerella immaculata

Garden Symphylan

Tiny white 12-legged 'pseudocentipede'. Separate ancient arthropod class. Major NA vegetable seedling pest.

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Hemlock woolly adelgid (Adelges tsugae) colonies, dense white wooly waxy masses on the underside of hemlock branches at the base of needle attachments looking like tiny tufts of cotton wool, top view.
Outlaw
Six Legs85
Alias
Adelges tsugae

Hemlock Woolly Adelgid

Catastrophic forest pest. Has killed essentially ALL mature eastern hemlocks across Appalachia.

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A migratory locust (Locusta migratoria) in gregarious phase, large bright yellow-and-black grasshopper, six legs, side profile.
Outlaw
Six Legs92
Alias
Locusta migratoria

Migratory Locust

Catastrophic crop pest of Africa/Asia/Europe. Foundational PHASE POLYPHENISM case — solitary becomes gregarious.

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A Saint Helena giant earwig (Labidura herculeana) preserved museum specimen, large reddish-brown earwig with dramatic dark forceps at the rear, six legs, top view.
Apex Outlaw
Six Legs88
Alias
Labidura herculeana

Saint Helena Giant Earwig

LARGEST EARWIG ever known. 8 cm. Endemic to Saint Helena. Now believed EXTINCT (last seen 1967).

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A festive tiger beetle (Cicindela scutellaris), brilliant metallic green tiger beetle with the typical Cicindela body plan, six legs, top view.
Beneficial
Six Legs76
Alias
Cicindela scutellaris

Festive Tiger Beetle

Color-variable tiger beetle. Different geographic populations display GREEN, BLUE, PURPLE, RED, or COPPER elytra.

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A greenhouse whitefly (Trialeurodes vaporariorum), tiny pale yellow insect with clear wings covered in white pollen-like waxy powder, six legs, side profile.
Outlaw
Six Legs80
Alias
Trialeurodes vaporariorum

Greenhouse Whitefly

Most damaging pest of GREENHOUSE production worldwide. First-ever commercially mass-reared biocontrol target.

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A pink-spotted hawkmoth (Agrius cingulata), large hawk moth with gray-and-white striped forewings, hindwings with pink-and-black bars, and pink-and-black banded abdomen, side profile.
Beneficial
Six Legs75
Alias
Agrius cingulata

Pink-Spotted Hawkmoth (Periwinkle Sphinx)

Large NA migratory hawkmoth. Pink-and-black banded abdomen. 10-15 cm proboscis (longer than body).

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A bat fly (Megistopoda aranea), small dark fly with large grasping legs, small eyes, and flattened spider-like body, six legs, top view.
Curious
Six Legs80
Alias
Megistopoda aranea

Bat Fly

EXCLUSIVE bat parasite. Lives entire adult life on bat bodies. Spider-like flightless flies.

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A brown-tail moth caterpillar (Euproctis chrysorrhoea), dark brown to black caterpillar with red and white spots and dense tufts of brown urticating hairs along the body, side profile.
Outlaw
Six Legs82
Alias
Euproctis chrysorrhoea

Brown-Tail Moth

Caterpillar covered in URTICATING HAIRS that cause severe rash and respiratory irritation in humans.

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A pink bollworm (Pectinophora gossypiella), small inconspicuous tan-brown moth with dark wing markings, six legs, side profile.
Outlaw
Six Legs81
Alias
Pectinophora gossypiella

Pink Bollworm

Major historical cotton pest. Successfully ERADICATED from US in 2018 — flagship Bt+SIT eradication program.

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A spined soldier bug (Podisus maculiventris), gray-brown to tan-yellow shield-shaped stink bug with pointed shoulder spines on the pronotum, six legs, top view.
Beneficial
Six Legs78
Alias
Podisus maculiventris

Spined Soldier Bug

PREDATORY stink bug. Eats caterpillars and beetle larvae. Commercially reared as biocontrol agent.

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A sugarcane borer (Diatraea saccharalis), pale yellow-tan moth with darker wing markings and small forward-projecting palpal 'snout', six legs, side profile.
Outlaw
Six Legs78
Alias
Diatraea saccharalis

Sugarcane Borer

Major sugarcane pest of the Americas. $300M-$1B annual losses. Foundational biocontrol case study.

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A wheat stem sawfly (Cephus cinctus), small black sawfly with bright yellow abdominal bands looking like a small wasp, six legs, side profile.
Outlaw
Six Legs81
Alias
Cephus cinctus

Wheat Stem Sawfly

Major NA spring wheat pest. Larva chews stem from inside, causing wheat to LODGE before harvest.

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A giant Asian mantis (Hierodula membranacea), large bright leaf-green mantis with raptorial front legs and triangular head, six legs, side profile.
Outlaw
Six Legs76
Alias
Hierodula membranacea

Giant Asian Mantis

8-10 cm SE Asian mantis. Captures small lizards, snakes, hummingbirds. Popular pet mantis worldwide.

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A brown planthopper (Nilaparvata lugens), small brown-tan planthopper with short wings, six legs, side profile.
Outlaw
Six Legs82
Alias
Nilaparvata lugens

Brown Planthopper

Major rice pest of Asia. Causes 'HOPPERBURN' — entire fields die in days when populations explode.

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A diamondback moth (Plutella xylostella), small slender gray-brown moth with three pale yellow-cream diamond shapes along the back when wings are folded, six legs, side profile.
Outlaw
Six Legs82
Alias
Plutella xylostella

Diamondback Moth

Most damaging cruciferous crop pest worldwide. $4-5B annual losses. FIRST documented case of insect Bt resistance.

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A European corn borer (Ostrinia nubilalis), pale yellow-tan moth with darker zigzag bands across the wings, six legs, side profile.
Outlaw
Six Legs80
Alias
Ostrinia nubilalis

European Corn Borer

Major NA corn pest. Primary target of Bt corn alongside corn earworm. Bt deployment dramatically reduced populations.

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A fall armyworm caterpillar (Spodoptera frugiperda), color-polymorphic light green to dark brown caterpillar with longitudinal stripes and inverted Y-shaped marking on the head capsule, side profile.
Outlaw
Six Legs85
Alias
Spodoptera frugiperda

Fall Armyworm

Major NA agricultural pest. INVADED Africa in 2016, Asia in 2018, Australia in 2020. Threat to global food security.

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A citrus longhorned beetle (Anoplophora chinensis), large jet-black beetle with bright white speckled markings on the wing covers and very long alternately black-and-white banded antennae, six legs, side profile.
Outlaw
Six Legs82
Alias
Anoplophora chinensis

Citrus Longhorned Beetle

Sister to Asian longhorned beetle. Attacks 100+ tree species. Major global invasive forest pest.

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A European elm bark beetle (Scolytus multistriatus), small dark reddish-brown beetle with multiply-striated elytra and short antennae, six legs, side profile.
Outlaw
Six Legs83
Alias
Scolytus multistriatus

European Elm Bark Beetle

Primary vector of DUTCH ELM DISEASE. Killed tens of millions of American elms across NA since 1930s.

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A locust borer beetle (Megacyllene robiniae), striking yellow-and-black banded longhorn beetle with bold zigzag black bands on yellow elytra and long banded antennae, six legs, top view.
Outlaw
Six Legs81
Alias
Megacyllene robiniae

Locust Borer

Striking YELLOW-AND-BLACK wasp-mimicking longhorn beetle. Major pest of NA black locust trees.

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A female Sirex woodwasp (Sirex noctilio), large dark blue-black solitary wasp with metallic sheen, smoky brown wings, and prominent cylindrical ovipositor at the rear, six legs, side profile.
Outlaw
Six Legs89
Alias
Sirex noctilio

Sirex Woodwasp

Injects FUNGAL SPORES into pine trees with eggs. Fungus digests wood for the larva. Major invasive pine pest globally.

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A yellow crazy ant (Anoplolepis gracilipes), yellow-orange ant with very long thin legs and antennae, six legs, side profile.
Outlaw
Six Legs87
Alias
Anoplolepis gracilipes

Yellow Crazy Ant

World's 100 worst invasive species. Killed 10-15 MILLION red crabs on Christmas Island. Catastrophic.

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On File
A bowl and doily weaver spider (Frontinella communis), small dark brown spider with white markings along the abdomen sides hanging upside-down in a bowl-shaped silk web, eight legs, top view.
Beneficial
Six Legs75
Alias
Frontinella communis

Bowl and Doily Weaver

Constructs unique BOWL-AND-DOILY WEB ARCHITECTURE. Spider hangs upside-down between the two structures.

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A catalpa sphinx caterpillar (Ceratomia catalpae), large bright green caterpillar with bold yellow lateral stripes along each side and prominent black dorsal horn, side profile.
Beneficial
Six Legs76
Alias
Ceratomia catalpae

Catalpa Sphinx

Famous 'CATALPA WORM' bait fishing caterpillar. Catalpa trees planted as worm farms across southeastern US.

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A six-eyed sand spider (Sicarius hahni), tan-brown desert spider with six eyes (instead of typical eight) and short flattened legs, eight legs, top view.
Apex Outlaw
Six Legs91
Alias
Sicarius hahni

Six-Eyed Sand Spider

MOST POTENT spider venom on Earth (drop-for-drop). Buries herself in sand. Almost never bites humans.

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On File
A corn earworm caterpillar (Helicoverpa zea), color-polymorphic green-brown-pink caterpillar with longitudinal stripes along the body and small head capsule with strong mandibles, side profile.
Outlaw
Six Legs81
Alias
Helicoverpa zea

Corn Earworm

Major NA crop pest. Same species as cotton bollworm and tomato fruitworm. Foundational target of Bt corn.

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A Mediterranean fruit fly (Ceratitis capitata), small yellow fly with darker markings, large blue compound eyes, and intricately patterned wings with wavy bands, six legs, side profile.
Outlaw
Six Legs82
Alias
Ceratitis capitata

Mediterranean Fruit Fly

Most economically destructive global fruit pest. Attacks 250+ plant species. Hundreds of millions in CA control costs.

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A pavement ant (Tetramorium immigrans), small dark brown to nearly black ant with typical formicid body plan, six legs, side profile.
Outlaw
Six Legs78
Alias
Tetramorium immigrans

Pavement Ant

Common urban ant. Famous for spectacular ANNUAL PAVEMENT WARS — thousands of ants in mass spring combat.

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On File
A pearl crescent butterfly (Phyciodes tharos), small bright orange-and-black butterfly with intricate dark borders and pale crescent marking on the hindwing underside, side profile.
Beneficial
Six Legs70
Alias
Phyciodes tharos

Pearl Crescent

Small NA brushfoot with diagnostic PALE PEARL CRESCENT marking on the hindwing underside.

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A squash bee (Peponapis pruinosa), fuzzy brown-gray bee with pale-banded abdomen and modified hind-leg pollen scopa, six legs, side profile.
Beneficial
Six Legs82
Alias
Peponapis pruinosa

Squash Bee

OBLIGATE squash specialist. Co-evolved with Cucurbita. Allowed pre-Columbian squash agriculture to spread north.

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On File
A European beewolf (Philanthus triangulum), yellow-and-black banded solitary digger wasp resembling a small yellowjacket, six legs, side profile.
Outlaw
Six Legs85
Alias
Philanthus triangulum

European Beewolf

Solitary wasp that EXCLUSIVELY hunts HONEY BEES. Cultivates antibiotic-producing bacteria in antennal glands.

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On File
A giant isopod (Bathynomus giganteus), enormous pinkish-gray segmented deep-sea isopod resembling a giant pillbug, fourteen legs, top view.
Curious
Six Legs84
Alias
Bathynomus giganteus

Giant Isopod

Largest known isopod on Earth. 50 cm. Looks like a giant pillbug. FASTS for FIVE YEARS at a time.

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An olive fruit fly (Bactrocera oleae), small reddish-brown fly with large green compound eyes and clear wings marked with a dark spot at each wing tip, six legs, side profile.
Outlaw
Six Legs79
Alias
Bactrocera oleae

Olive Fruit Fly

Single most important pest of olive production worldwide. Major Mediterranean economic threat.

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A tongue-eating louse (Cymothoa exigua), pale gray-pink segmented isopod with hooked legs and piercing mouthparts, fourteen legs, top view.
Outlaw
Six Legs85
Alias
Cymothoa exigua

Tongue-Eating Louse

Severs a fish's tongue and PERMANENTLY REPLACES it with her own body. Only known parasite that replaces a host organ.

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A black witch moth (Ascalapha odorata), enormous dark brown-to-black moth with iridescent purple highlights and pale comma-shaped markings on the forewings, side profile.
Curious
Six Legs80
Alias
Ascalapha odorata

Black Witch Moth

Largest moth in North America. 24 cm wingspan. 'Mariposa de la muerte' in Latin American folklore.

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On File
A female American dog tick (Dermacentor variabilis), reddish-brown tick with small ornate white-or-gray dorsal scutum behind the head, eight legs, top view.
Outlaw
Six Legs83
Alias
Dermacentor variabilis

American Dog Tick

Major NA vector of Rocky Mountain spotted fever. Also tick paralysis. Wood-tick of NA hiking trails.

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On File
An apple maggot fly (Rhagoletis pomonella), small black fly with white scutellum and intricate black-and-white banded wing patterns, six legs, side profile.
Outlaw
Six Legs82
Alias
Rhagoletis pomonella

Apple Maggot Fly

Foundational SYMPATRIC SPECIATION case study. Two host races shifting from hawthorn to apple since the 1860s.

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On File
A male ebony jewelwing damselfly (Calopteryx maculata), brilliant metallic emerald-green-and-blue body with completely black wings, four wings folded above the back, side profile.
Beneficial
Six Legs74
Alias
Calopteryx maculata

Ebony Jewelwing

Brilliant METALLIC GREEN BODY with completely BLACK WINGS. NA cousin to the banded demoiselle.

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A forest tent caterpillar (Malacosoma disstria), gregarious dark blue-and-black caterpillar with row of cream-colored keyhole-shaped markings along the dorsal midline, side profile.
Outlaw
Six Legs81
Alias
Malacosoma disstria

Forest Tent Caterpillar

Despite the name, builds silk MATS on tree trunks (not tents). 10-12 year cyclic outbreaks defoliate NA forests.

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On File
An Asian longhorned beetle (Anoplophora glabripennis), large jet-black beetle with bright white speckled markings on the wing covers and very long alternately black-and-white banded antennae, six legs, side profile.
Outlaw
Six Legs83
Alias
Anoplophora glabripennis

Asian Longhorned Beetle

Invasive wood-boring beetle. Threatens NA maple forests. $700M USDA eradication effort.

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On File
A Hessian fly (Mayetiola destructor), tiny delicate mosquito-like dark midge with long legs and slender body, six legs, side profile.
Outlaw
Six Legs81
Alias
Mayetiola destructor

Hessian Fly

Major wheat pest. Brought to NA in 1776 by Hessian mercenaries. Foundational gene-for-gene coevolution model.

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On File
A Japanese beetle (Popillia japonica), small beetle with metallic green head and pronotum, copper-colored elytra, and small white tufts of hair on the sides of the abdomen, six legs, side profile.
Outlaw
Six Legs83
Alias
Popillia japonica

Japanese Beetle

Most polyphagous invasive beetle in NA. Eats 300+ plant species. $460M annual damage.

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On File
A silver-spotted skipper (Epargyreus clarus), brown wings with golden-orange spots on forewings and a single large white-or-silver oval spot on the hindwing underside, side profile.
Beneficial
Six Legs71
Alias
Epargyreus clarus

Silver-Spotted Skipper

Most widespread NA skipper. Bright SILVER spot on hindwing underside flashes in flight.

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A differential grasshopper (Melanoplus differentialis), large bright yellow body with bold black markings and distinctive herringbone pattern on the hind femora, six legs, side profile.
Outlaw
Six Legs77
Alias
Melanoplus differentialis

Differential Grasshopper

Major NA crop-pest grasshopper. HERRINGBONE-PATTERNED hind legs. Outbreak swarms cause massive crop damage.

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On File
A Gulf fritillary butterfly (Agraulis vanillae), bright orange uppersides with bold black spots and brilliant metallic-silver-and-cream spot patterns on the hindwing underside, side profile.
Beneficial
Six Legs73
Alias
Agraulis vanillae

Gulf Fritillary

Bright orange with brilliant METALLIC SILVER underside spots. Sequesters toxins from passion flowers.

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A Jerusalem cricket (Stenopelmatus fuscus), large flightless cricket-like insect with a huge bulging human-like head, large dark eyes, striped abdomen with alternating black-and-tan bands, six legs, side profile.
Curious
Six Legs81
Alias
Stenopelmatus fuscus

Jerusalem Cricket (Potato Bug)

Looks like a 7 cm cricket with a HUMAN-LIKE BULGING head. The 'potato bug' / 'child of the earth'.

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On File
A northern walkingstick (Diapheromera femorata), slender wingless brown-to-green walking stick with very long thin legs at twig-like angles, side profile.
Beneficial
Six Legs76
Alias
Diapheromera femorata

Northern Walkingstick

Most widespread NA walking stick. Looks indistinguishable from a small twig.

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On File
An American lady butterfly (Vanessa virginiensis), bright orange-and-black wings with intricate black-cream-and-pink underside patterns, side profile showing two large eyespots on the hindwing.
Beneficial
Six Legs72
Alias
Vanessa virginiensis

American Lady

NA sister to the painted lady. Distinguished by TWO large eyespots vs painted lady's four-five smaller ones.

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On File
A red-spotted purple butterfly (Limenitis arthemis astyanax), large dark butterfly with brilliant blue iridescent hindwings marked with rows of red-orange spots, side profile.
Beneficial
Six Legs77
Alias
Limenitis arthemis astyanax

Red-Spotted Purple

Mimics toxic pipevine swallowtail. Same species as the white admiral but evolved into a mimic in the south.

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On File
A hummingbird clearwing moth (Hemaris thysbe), small fat-bodied hawk moth with olive-green-and-burgundy body and large transparent wing patches framed by narrow dark borders, hovering posture.
Beneficial
Six Legs77
Alias
Hemaris thysbe

Hummingbird Clearwing

Day-flying hawk moth that looks and behaves so much like a hummingbird that birders misidentify her.

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On File
A giant bulldog ant (Myrmecia gulosa), large reddish-brown ant with massive elongated sickle-like mandibles longer than the head and large compound eyes, six legs, side profile.
Outlaw
Six Legs85
Alias
Myrmecia gulosa

Bulldog Ant

Australia's giant primitive ants. Massive sickle jaws. Sees prey from 1 meter. Most ANCIENT surviving ant lineage.

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On File
A giant vinegaroon (Mastigoproctus giganteus), dark brown-to-black scorpion-like arachnid with massive heavy pedipalps and a long whip-like terminal tail, eight legs, top view.
Curious
Six Legs83
Alias
Mastigoproctus giganteus

Giant Vinegaroon

Looks like a scorpion. Sprays CONCENTRATED VINEGAR. No venom. No sting. Just weaponized acetic acid.

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On File
A male azure bluet damselfly (Coenagrion puella), brilliant azure-blue body with dramatic black abdominal markings, four narrow wings folded above the back, side profile.
Beneficial
Six Legs71
Alias
Coenagrion puella

Azure Bluet Damselfly

Brilliant azure-blue damselfly. Famous 'mating wheel' posture during copulation.

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On File
A pill millipede (Glomeris marginata), dark brown-to-black segmented millipede with bright yellow-cream margins on each body segment, rolled into a defensive ball.
Curious
Six Legs75
Alias
Glomeris marginata

Pill Millipede

Rolls into an armored ball — same trick as pillbugs, but completely independently evolved.

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On File
A male blue-tailed damselfly (Ischnura elegans), slender dark damselfly with bright blue tail spot on the eighth abdominal segment, four narrow wings folded above the back.
Beneficial
Six Legs75
Alias
Ischnura elegans

Blue-Tailed Damselfly

Females come in THREE distinct color morphs. Some imitate males to avoid male harassment.

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On File
A cattle warble fly (Hypoderma bovis), brown-and-yellow medium-sized fly resembling a small honey bee, six legs, side profile.
Outlaw
Six Legs84
Alias
Hypoderma bovis

Cattle Warble Fly (Heel Fly)

Larvae burrow into cattle legs, migrate ALONG THE SPINAL CORD, and exit from 'warbles' on the back.

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On File
A male pipevine swallowtail butterfly (Battus philenor), dark wings with brilliant iridescent blue scaling on the hindwings and bold orange spots, wings spread, dorsal view.
Curious
Six Legs80
Alias
Battus philenor

Pipevine Swallowtail

TOXIC. Model for at least 5 mimic butterfly species. Caterpillars sequester pipevine alkaloids.

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On File
A viceroy butterfly (Limenitis archippus), bright orange-and-black wings closely resembling the monarch butterfly with a distinctive thin black band crossing the hindwing veins, dorsal view.
Curious
Six Legs81
Alias
Limenitis archippus

Viceroy Butterfly

Famous monarch mimic. For 100 years taught as Batesian (palatable) — 1991 proved her ALSO toxic.

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On File
An Allegheny mound ant (Formica exsectoides) worker, dark brown to brick-red ant with elongated body, six legs, on a soil mound surface.
Curious
Six Legs78
Alias
Formica exsectoides

Allegheny Mound Ant

Builds 1-meter dome-shaped solar mounds. Aggressively kills nearby trees with formic acid to maintain sun.

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On File
A cuckoo bumblebee queen (Bombus vestalis), large bumblebee with dark sclerotized body, golden-yellow thorax, and reduced hair compared to true bumblebees, six legs.
Curious
Six Legs79
Alias
Bombus vestalis

Cuckoo Bumblebee

Bumblebee that abandoned workers. Invades host bumblebee nests, kills the queen, takes over the colony.

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A green bottle fly (Lucilia sericata), brilliant metallic green-bronze body with red-orange compound eyes and translucent wings, six legs, side profile.
Curious
Six Legs84
Alias
Lucilia sericata

Green Bottle Fly

FDA-approved for medical maggot therapy. Eats dead tissue, kills MRSA, stimulates healing.

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On File
A Mediterranean recluse spider (Loxosceles rufescens), light tan to brown spider with characteristic dark violin-shaped marking on the carapace, eight legs, dorsal view.
Outlaw
Six Legs77
Alias
Loxosceles rufescens

Mediterranean Recluse

Most invasive recluse spider on Earth. Sphingomyelinase D venom causes necrotic skin lesions.

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On File
A Texas leafcutter ant (Atta texana) worker carrying a cut green leaf fragment in her mandibles, six legs, side profile.
Outlaw
Six Legs86
Alias
Atta texana

Texas Leafcutter Ant

US leafcutter ant. 1-2 million workers per colony. Excavates 8m-deep underground fungus farms.

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On File
A European field cricket (Gryllus campestris), large glossy black cricket with brownish wing covers and prominent tail filaments, six legs, side profile.
Curious
Six Legs72
Alias
Gryllus campestris

European Field Cricket

The original 'grasshopper' of Aesop's fable. Glossy black. Sings from burrow entrance.

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On File
A house cricket (Acheta domesticus), light brown cricket with darker bands and prominent long antennae, six legs, side profile.
Curious
Six Legs79
Alias
Acheta domesticus

House Cricket

Most globally significant edible insect. Domesticated for food in 30+ countries. Chirp rate = temperature.

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On File
A seven-spot ladybird (Coccinella septempunctata), bright red dome-shaped beetle with seven distinctive black spots arranged 1-2-2-2 across the elytra, six legs, dorsal view.
Beneficial
Six Legs78
Alias
Coccinella septempunctata

Seven-Spot Ladybird

The original 'ladybird.' Named for Mary's Seven Sorrows. Eats 5,000 aphids per lifetime.

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On File
A male brimstone butterfly (Gonepteryx rhamni), bright sulfur-yellow leaf-shaped wings with pointed tips, perched on a green leaf.
Beneficial
Six Legs76
Alias
Gonepteryx rhamni

Brimstone Butterfly

Sulfur-yellow male probably gave English the word 'butterfly.' Lives up to 12 months. Leaf-shaped wings.

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On File
A cookie cutter spider (Cyclocosmia ricketti), brown spider with rear of abdomen flattened into a disc-shaped plate marked with intricate radiating ridges resembling a stamped coin.
Curious
Six Legs84
Alias
Cyclocosmia ricketti

Cookie Cutter Spider

Rear is flattened into a HARDENED DISC marked like a coin. Uses the disc as a literal door to seal her burrow.

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On File
A chigoe flea (Tunga penetrans) free-living adult, very small dark wingless insect with powerful hind jumping legs, magnified scientific specimen.
Apex Outlaw
Six Legs90
Alias
Tunga penetrans

Chigoe Flea (Jigger)

Female burrows INTO your foot. Stays embedded 4-6 weeks. Affects 20M+ people worldwide.

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On File
A manna cicada (Cicada orni), stout-bodied gray-and-brown cicada with broad head, large compound eyes, and translucent wings folded over the back.
Curious
Six Legs72
Alias
Cicada orni

Manna Cicada

The cicada of Mediterranean antiquity. Plato wrote about her chorus. Sap source of historical 'manna.'

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On File
A firebug (Pyrrhocoris apterus), bright red elytra with bold black spots and bands, six legs, on a tree base.
Curious
Six Legs77
Alias
Pyrrhocoris apterus

Firebug

Bright red-and-black aggregating bug. Discovery of juvenile hormone traces to her in 1966.

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On File
A lantern bug (Pyrops candelaria), large insect with dramatic upturned hollow snout projecting from the head and wings patterned in iridescent green-yellow-red bands.
Curious
Six Legs81
Alias
Pyrops candelaria

Lantern Bug

Carries a hollow snout projection. Maria Sibylla Merian's 1701 'glowing lantern' myth still persists.

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On File
A mantisfly (Mantispa styriaca), slender pale green body with raptorial green forelegs, four translucent veined wings folded back, six legs total.
Curious
Six Legs85
Alias
Mantispa styriaca

Mantisfly

Lacewing that evolved into a mantis. Larva hitchhikes on spiders to eat their eggs.

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On File
A European garden spider (Araneus diadematus), brown-tan female with distinctive white cross-shaped pattern of dorsal spots on the abdomen, eight legs at the center of an orb web.
Beneficial
Six Legs73
Alias
Araneus diadematus

European Garden Spider (Cross Spider)

European garden orb-weaver. White cross on her back. First spider to build a web in space (1973).

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On File
A common green darner dragonfly (Anax junius), large body with apple-green thorax and blue-and-black abdomen, four translucent wings spread, dorsal view.
Beneficial
Six Legs80
Alias
Anax junius

Common Green Darner

Largest North American dragonfly (8 cm). Multi-generational 1,500+ km migration. Apple-green thorax.

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On File
A birch sawfly (Cimbex femoratus), large dark sawfly with broad body and translucent veined wings, six legs.
Curious
Six Legs78
Alias
Cimbex femoratus

Birch Sawfly

Most ancient Hymenoptera lineage. 'Saw' ovipositor cuts plant slits for eggs. Larva shoots wax.

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On File
An Indian dead leaf butterfly (Kallima inachus) with wings closed showing the dead-leaf-mimicking underside with veins and fungal-spot patterns.
Curious
Six Legs78
Alias
Kallima inachus

Indian Dead Leaf Butterfly

Wings closed — perfect dead leaf with veins and fungal spots. Wings open — brilliant blue-and-orange.

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On File
A devil's coach-horse beetle (Ocypus olens), glossy black rove beetle with short elytra and long flexible abdomen raised in scorpion pose with mandibles open, six legs.
Curious
Six Legs78
Alias
Ocypus olens

Devil's Coach-Horse Beetle

Raises her tail like a scorpion when threatened. Medieval Europe believed she carried curses.

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On File
A European mantis (Mantis religiosa), green slender body with raptorial forelegs folded together in front in praying posture, six legs, side profile.
Curious
Six Legs81
Alias
Mantis religiosa

European Mantis

The original 'praying mantis' — Linnaeus named her for the prayer-like raptorial pose in 1758.

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On File
A Wellington tree wētā (Hemideina crassidens), stout brown cricket-like insect with large head and prominent mandibles, six legs and long antennae.
Curious
Six Legs76
Alias
Hemideina crassidens

Wellington Tree Wētā

Male defends a harem of 1-10 females in a tree gallery. Wrestles rivals with enlarged jaws.

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On File
A snake fly (Raphidia notata), elongated dark brown body with dramatically elongated prothorax neck held vertically and head reared up, four veined wings folded over back.
Beneficial
Six Legs76
Alias
Raphidia notata

Snake Fly

Insect with a 'snake' neck. Tiny ancient order — 270 million years old. Only in the Northern Hemisphere.

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On File
A female acorn weevil (Curculio glandium), small reddish-brown weevil with extraordinarily long downward-curving snout, six legs, on a green developing acorn.
Curious
Six Legs78
Alias
Curculio glandium

Acorn Weevil

Female's snout is half her body length — drills through acorn shells. Cause of acorn 'wormholes.'

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On File
A cigarette beetle (Lasioderma serricorne), small oval brown beetle with serrated antennae and short legs, magnified specimen on cream backdrop.
Outlaw
Six Legs74
Alias
Lasioderma serricorne

Cigarette Beetle

Eats tobacco, spices, dried herbs, museum specimens. Yeast endosymbiont detoxifies the nicotine.

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On File
Cochineal insects (Dactylopius coccus) on a prickly pear cactus pad, small dark red-brown bodies covered in white waxy secretions in clusters.
Beneficial
Six Legs85
Alias
Dactylopius coccus

Cochineal Insect

Source of carmine red dye for 2,000+ years. Aztec second-most-valuable trade after gold. In your lipstick.

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On File
A silver Y moth (Autographa gamma), medium gray-brown moth with distinctive silver Y-shaped marking on each forewing, side profile.
Beneficial
Six Legs78
Alias
Autographa gamma

Silver Y Moth

Migrates billions between North Africa and northern Europe. Ground speed exceeds 100 km/h on tailwinds.

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On File
A velvet worm (Peripatus juliformis), elongated soft-bodied dark blue-gray segmented body with many pairs of stubby unjointed legs, on damp forest floor.
Curious
Six Legs86
Alias
Peripatus juliformis

Velvet Worm

Squirts adhesive slime to trap prey. 540 million years old. Closest living relative of arthropods.

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On File
A western corn rootworm (Diabrotica virgifera virgifera), small yellow-green beetle with three black longitudinal stripes on the elytra, six legs, dorsal view.
Apex Outlaw
Six Legs80
Alias
Diabrotica virgifera virgifera

Western Corn Rootworm

The 'billion-dollar bug.' Resistant to every insecticide AND to Bt corn traits. Invading Europe.

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On File
A blue bottle fly (Calliphora vomitoria), brilliant metallic blue-black body with red compound eyes and translucent wings, six legs, side profile.
Curious
Six Legs80
Alias
Calliphora vomitoria

Blue Bottle Fly

Forensic entomology centerpiece. Larvae used as medical maggot therapy. Vomits to digest food.

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On File
A body louse (Pediculus humanus humanus), tiny pale tan wingless insect with six legs and short antennae, magnified scientific specimen.
Apex Outlaw
Six Legs83
Alias
Pediculus humanus humanus

Body Louse

Vector of typhus that killed 30M+. Dated origin of human clothing. Lives only in the seams of your clothes.

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On File
A cottony cushion scale (Icerya purchasi), small dark red-brown scale insect with distinctive fluted white waxy egg sac protruding from the rear, on a green citrus stem.
Curious
Six Legs85
Alias
Icerya purchasi

Cottony Cushion Scale

Almost destroyed California citrus in 1888. Saved by 130 imported Australian ladybeetles. Founded biocontrol.

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On File
A crab louse (Pthirus pubis), tiny pale tan wide flattened wingless insect with distinctive crab-like body shape and strong claws on the legs, magnified scientific specimen.
Outlaw
Six Legs78
Alias
Pthirus pubis

Crab Louse (Pubic Louse)

Crab-shaped louse. Host-jumped from gorillas to early hominins 3-4 million years ago.

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On File
A cuckoo bee (Nomada panzeri), small slender wasp-like bee with reddish-orange abdomen and yellow markings, six legs, side profile.
Curious
Six Legs81
Alias
Nomada panzeri

Cuckoo Bee

Lays eggs in other bees' nests. Larvae kill the host larva and eat her food. 15% of all bee species do this.

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On File
A New World screwworm fly (Cochliomyia hominivorax), small metallic blue-green body with characteristic three dorsal black stripes and orange head, six legs, side profile.
Apex Outlaw
Six Legs92
Alias
Cochliomyia hominivorax

New World Screwworm Fly

Larvae eat living flesh. Eradicated from US by sterile-male flooding in 1966. Foundational pest control success.

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On File
An Africanized honey bee (Apis mellifera hybrid), small fuzzy black-and-amber-banded body slightly smaller than European honey bee, transparent wings, six legs.
Apex Outlaw
Six Legs82
Alias
Apis mellifera scutellata × Apis mellifera

Africanized Honey Bee (Killer Bee)

The 'killer bee.' Hybrid escaped Brazil in 1957. 1,000+ human deaths. Pursues victims hundreds of meters.

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On File
A granulate ambrosia beetle (Xylosandrus crassiusculus), tiny dark brown cylindrical bark beetle with short antennae, six legs, magnified specimen.
Curious
Six Legs89
Alias
Xylosandrus crassiusculus

Granulate Ambrosia Beetle

Insect farmer. Carries fungus in body pouches, plants it in tree tunnels, eats the harvest. 60M years old.

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On File
A boll weevil (Anthonomus grandis), small grayish-brown weevil with elongated snout, six legs, side profile.
Apex Outlaw
Six Legs81
Alias
Anthonomus grandis

Boll Weevil

Devastated US cotton — $22 billion in damage. Has a statue in Alabama. ERADICATED from the US in 2010.

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On File
A Mormon cricket (Anabrus simplex), large wingless katydid with shield-shaped pronotum, six legs, dorsal view.
Outlaw
Six Legs82
Alias
Anabrus simplex

Mormon Cricket

Wingless katydid that marches in millions across western US rangeland. Saved Utah crops in 1848 by seagulls.

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On File
An oriental rat flea (Xenopsylla cheopis), tiny laterally-compressed dark brown wingless insect with powerful hind jumping legs, magnified specimen.
Apex Outlaw
Six Legs91
Alias
Xenopsylla cheopis

Oriental Rat Flea

Vector of bubonic plague. Killed 200+ MILLION humans across history. Most consequential insect ever.

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On File
A two-spotted spider mite (Tetranychus urticae), tiny pale yellow-green oval mite with eight short legs and two distinctive dark spots on the body, magnified specimen.
Outlaw
Six Legs77
Alias
Tetranychus urticae

Two-Spotted Spider Mite

0.5 mm. Damages 1,100+ plant species. Genome reveals extreme detox-gene arsenal — resistant to almost every miticide.

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On File
A caddisfly (Helicopsyche borealis) larva inside a snail-shell-shaped case made of sand grains, on a stream rock.
Beneficial
Six Legs86
Alias
Helicopsyche borealis

Caddisfly

Larvae build portable cases. French artist had caddisflies build cases from gold and gemstones.

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On File
A greater wax moth (Galleria mellonella), small gray-brown moth with narrow wings and feathered antennae, side profile.
Outlaw
Six Legs89
Alias
Galleria mellonella

Greater Wax Moth

Caterpillar DIGESTS plastic — first discovered in 2017. 40,000× faster than environmental degradation.

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On File
A Cuban headlight click beetle (Pyrophorus noctilucus), elongated brown beetle with two bright glowing green-yellow spots on the prothorax, six legs, side profile.
Curious
Six Legs84
Alias
Pyrophorus noctilucus

Headlight Click Beetle (Cucujo)

Brightest bioluminescent terrestrial insect. Cuban miners used live beetles as flashlights.

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On File
A Mexican honey wasp (Brachygastra mellifica), small dark brown-and-yellow social wasp with rounded abdomen, six legs, side profile.
Curious
Six Legs89
Alias
Brachygastra mellifica

Mexican Honey Wasp

Wasp that makes honey. Centuries-old delicacy in Mexico. Pollinator AND predator AND honey producer.

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On File
A Darwin's bark spider (Caerostris darwini), large brown spider with intricate body sculpting at the center of an enormous orb web spanning a river gap.
Curious
Six Legs88
Alias
Caerostris darwini

Darwin's Bark Spider

Strongest natural material on Earth. Silk 10× tougher than kevlar. Webs span 25 meters across rivers.

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On File
A firebrat (Thermobia domestica), elongated silver-and-tan-mottled body tapering to three tail filaments, with long antennae.
Curious
Six Legs74
Alias
Thermobia domestica

Firebrat

Silverfish's heat-loving cousin. Lives behind ovens at 40°C. 400 million years old.

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On File
A red velvet mite (Trombidium holosericeum), bright crimson-red velvety body with eight short legs, on dark soil substrate.
Beneficial
Six Legs76
Alias
Trombidium holosericeum

Red Velvet Mite

Crimson velvety mite. Appears in masses after rainstorms. Predator and traditional Indian medicine.

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On File
A spongy moth (Lymantria dispar) male, brown moth with intricate dark wing markings and feathered antennae, side profile.
Apex Outlaw
Six Legs83
Alias
Lymantria dispar

Spongy Moth (formerly Gypsy Moth)

Renamed from 'gypsy moth' in 2022. Released in Massachusetts in 1869. Has defoliated tens of millions of acres.

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On File
A Colorado potato beetle (Leptinotarsa decemlineata), oval beetle with cream-yellow elytra carrying ten distinctive black longitudinal stripes, six legs.
Apex Outlaw
Six Legs82
Alias
Leptinotarsa decemlineata

Colorado Potato Beetle

Most pesticide-resistant insect on Earth. Resistant to 56+ different insecticides. Devastates potato crops globally.

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On File
An emerald ash borer (Agrilus planipennis), brilliant metallic emerald-green slender beetle with coppery-purple iridescent abdomen, six legs, dorsal view.
Apex Outlaw
Six Legs84
Alias
Agrilus planipennis

Emerald Ash Borer

Killed 100 million ash trees since 2002. Most economically destructive forest insect ever introduced to North America.

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A red flour beetle (Tribolium castaneum), small dark reddish-brown elongated beetle with six legs and short antennae, side profile.
Outlaw
Six Legs73
Alias
Tribolium castaneum

Red Flour Beetle

Most cosmopolitan stored-grain pest. Second insect ever to have her genome sequenced. Key model organism.

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On File
A yucca moth (Tegeticula yuccasella), small white moth with brown antennae, six legs, perched on a yucca flower stamen.
Beneficial
Six Legs82
Alias
Tegeticula yuccasella

Yucca Moth

Sole pollinator of yucca. Actively packs pollen into the flower like a tiny farmer. Obligate mutualism.

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On File
An acacia ant (Pseudomyrmex ferruginea), small reddish-brown ant with elongated body, six legs, on a green acacia leaflet near a swollen thorn entrance.
Beneficial
Six Legs80
Alias
Pseudomyrmex ferruginea

Acacia Ant

Lives inside hollow acacia thorns, drinks Beltian-body sap, attacks anything that touches the tree.

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On File
An Anopheles gambiae mosquito, slender body resting at upward-tilted angle with proboscis extended forward.
Apex Outlaw
Six Legs81
Alias
Anopheles gambiae

Anopheles Mosquito (Malaria Vector)

Sole vector of human malaria. Kills 600,000 a year. Most deadly animal on Earth, by impact.

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On File
A Spanish fly blister beetle (Lytta vesicatoria), elongated metallic green body with leathery elytra, six legs, side profile.
Outlaw
Six Legs88
Alias
Lytta vesicatoria

Spanish Fly (Blister Beetle)

Source of the cantharidin 'aphrodisiac.' Hypermetamorphic life cycle. Hitchhikes on bees to their nests.

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On File
A dog-day cicada (Neotibicen canicularis), stout-bodied green-and-black insect with broad head, large compound eyes, and translucent wings.
Curious
Six Legs72
Alias
Neotibicen canicularis

Dog-Day Cicada

The high-whine of August 'dog days.' One of the loudest insects on Earth — 100+ dB.

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On File
A fairyfly (Dicopomorpha echmepterygis), microscopic specimen photo of a tiny pale wasp with feathered wings, magnified.
Curious
Six Legs86
Alias
Dicopomorpha echmepterygis

Fairyfly

Smallest insect on Earth. 0.139 mm. Smaller than a single Paramecium. Fully functional brain.

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On File
A fat-tailed scorpion (Androctonus australis), dust-yellow scorpion with prominent swollen tail and large pincers.
Apex Outlaw
Six Legs87
Alias
Androctonus australis

Fat-Tailed Scorpion

Latin name means 'man-killer.' Hundreds of deaths per year across North Africa and the Middle East.

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On File
A head louse (Pediculus humanus capitis), tiny pale gray-brown wingless insect with six legs and short antennae, magnified specimen on cream backdrop.
Outlaw
Six Legs79
Alias
Pediculus humanus capitis

Head Louse

Lives ONLY on human heads. Her cousin the body louse dated the invention of clothing.

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On File
An Atlantic horseshoe crab (Limulus polyphemus), large brown domed carapace with hinged abdomen and long pointed telson tail.
Curious
Six Legs96
Alias
Limulus polyphemus

Atlantic Horseshoe Crab

450 million years old, blue-blooded living fossil, used to test every vaccine on Earth for endotoxins.

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On File
A book scorpion (Chelifer cancroides), tiny brown arachnid resembling a miniature scorpion with prominent pincer pedipalps but no tail.
Beneficial
Six Legs82
Alias
Chelifer cancroides

Book Scorpion (Pseudoscorpion)

Tiny scorpion-cousin in your bookshelf. Eats booklice and dust mites. Hitchhikes on flies.

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On File
An Antarctic deep-sea sea spider (Colossendeis colossea), pale spindly arthropod with a tiny central body and eight extraordinarily long thin legs, dorsal view.
Curious
Six Legs84
Alias
Colossendeis colossea

Sea Spider

Marine arthropod with internal organs IN the legs. Antarctic giants reach 70 cm leg span.

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On File
A snow flea (Hypogastrura nivicola), tiny dark blue-black springtail with elongated body, six legs, on a white snow surface.
Curious
Six Legs80
Alias
Hypogastrura nivicola

Snow Flea

Tiny springtail active on snow. Antifreeze protein keeps her alive at -20°C. Used in medical cryopreservation.

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On File
An Apollo butterfly (Parnassius apollo), wings spread showing translucent white surface with black veins and bright red eye-spots ringed in black on the hindwings.
Curious
Six Legs74
Alias
Parnassius apollo

Apollo Butterfly

Translucent white alpine butterfly with red eye-spots. CITES protected. Climate-pressured upslope.

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An Arizona bark scorpion (Centruroides sculpturatus), small pale tan scorpion with slender pincers and thin curved tail.
Outlaw
Six Legs88
Alias
Centruroides sculpturatus

Arizona Bark Scorpion

Only deadly US scorpion. Glows blue-green under UV light. Lurks under bark and inside shoes.

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On File
A drone fly (Eristalis tenax), bee-mimicking hoverfly with golden-and-black banded abdomen and clear wings, six legs.
Beneficial
Six Legs76
Alias
Eristalis tenax

Drone Fly

Bee-mimic hoverfly. Larva is the 'rat-tailed maggot' that breathes through a 5x body-length snorkel.

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A globe skimmer dragonfly (Pantala flavescens), translucent yellow-orange wings spread, slender brown body with large compound eyes.
Beneficial
Six Legs81
Alias
Pantala flavescens

Globe Skimmer Dragonfly

Longest insect migration on Earth — 18,000 km. Crosses the Indian Ocean. Truly global panmictic species.

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A house centipede (Scutigera coleoptrata), elongated yellowish-gray body with 15 pairs of extraordinarily long thin legs splayed out from the body.
Beneficial
Six Legs88
Alias
Scutigera coleoptrata

House Centipede

The bathroom centipede everyone has screamed at. Eats cockroaches and bed bugs. Not actually an insect.

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A male Queen Alexandra's birdwing butterfly (Ornithoptera alexandrae), enormous iridescent blue-green wings outlined in black with a bright yellow body.
Curious
Six Legs81
Alias
Ornithoptera alexandrae

Queen Alexandra's Birdwing

Largest butterfly on Earth. 28 cm wingspan. Discovered by a collector who shot her with a shotgun.

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On File
A meadow spittlebug nymph (Philaenus spumarius), small green nymph hidden inside a frothy white foam mass on a green stem.
Outlaw
Six Legs87
Alias
Philaenus spumarius

Meadow Spittlebug

Lives in a froth-bubble of her own waste. Adults jump at 400g — highest acceleration of any animal. Olive disease vector.

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On File
A Gooty sapphire tarantula (Poecilotheria metallica), brilliant cobalt-blue iridescent body and legs with intricate cream-and-gold geometric pattern.
Curious
Six Legs80
Alias
Poecilotheria metallica

Gooty Sapphire Tarantula

Brilliant cobalt-blue iridescent. Endemic to one 100 km² Indian forest. Critically Endangered.

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On File
A fig wasp (Blastophaga psenes), tiny black wasp on a fig fruit, magnified specimen on cream backdrop.
Curious
Six Legs85
Alias
Blastophaga psenes

Fig Wasp

Each fig species has ONE specific wasp. She enters, loses her wings, lays eggs, dies inside. 80 million years.

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On File
A giant peacock moth (Saturnia pyri), enormous brown wings spread with dramatic concentric eyespots on each wing, fuzzy body and feathered antennae.
Curious
Six Legs74
Alias
Saturnia pyri

Giant Peacock Moth

Largest moth in Europe. 20 cm wingspan. The species that proved insect pheromones exist in 1879.

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A giant ichneumon wasp (Megarhyssa macrurus), slender black-and-yellow body with extraordinarily long thread-like ovipositor extending from the rear.
Curious
Six Legs84
Alias
Megarhyssa macrurus

Giant Ichneumon Wasp

Drills 12 cm into wood with her abdomen to lay an egg on a wasp larva. Larva eats it alive. Darwin's parable.

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A stingless bee (Melipona beecheii), small dark brown bee with smooth body and short tongue, on the rim of a small log hive entrance.
Beneficial
Six Legs82
Alias
Melipona beecheii

Stingless Bee

Has no sting. Maya kept her in hollow logs for 1,000 years. Honey is medicine in three civilizations.

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A white witch moth (Thysania agrippina), enormous wings spread showing mottled silver-and-black bark-like pattern.
Curious
Six Legs77
Alias
Thysania agrippina

White Witch Moth

Largest wingspan of any insect on Earth. 31 cm tip-to-tip. Larva has been seen ONCE.

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On File
A cave cricket (Ceuthophilus secretus), humped tan-brown body with extremely long hind legs and very long thin antennae.
Curious
Six Legs74
Alias
Ceuthophilus secretus

Cave Cricket (Spider Cricket)

Jumps AT you when scared because she can't see far. The basement 'spricket.' 250 million years old.

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On File
A camel spider (Galeodes arabs), tan-colored body with enormous forward-projecting jaws and long pedipalp-like first legs.
Curious
Six Legs86
Alias
Galeodes arabs

Camel Spider

Third major arachnid order. Largest jaws-to-body ratio in arachnids. The fastest arachnid runner.

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On File
An eastern subterranean termite (Reticulitermes flavipes) worker, small pale cream body with prominent mandibles and short antennae.
Apex Outlaw
Six Legs79
Alias
Reticulitermes flavipes

Eastern Subterranean Termite

$5 BILLION in US damage per year. Built from cockroaches. Mud tubes from soil to your studs.

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On File
A European earwig (Forficula auricularia), elongated brown body with prominent forceps-like cerci at the tail end and short wings.
Curious
Six Legs76
Alias
Forficula auricularia

European Earwig

Practices maternal care. Did NOT inspire her name — the ear-burrowing myth is false.

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A Formosan subterranean termite (Coptotermes formosanus) soldier, pale cream body with disproportionately large orange-brown head and curved mandibles.
Apex Outlaw
Six Legs81
Alias
Coptotermes formosanus

Formosan Subterranean Termite

Super-termite. 10 million workers per colony. Carton nests the size of an oven.

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On File
A harvestman (Phalangium opilio), small oval body with no waist segmentation and eight extremely long thin legs spread evenly.
Beneficial
Six Legs74
Alias
Phalangium opilio

Harvestman (Daddy Long-Legs)

TRUE daddy long-legs. NOT a spider. No venom. No silk. Eats solid food. 410 million years old.

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A silverfish (Lepisma saccharinum), elongated silver-scaled body tapering to three tail filaments, with long antennae.
Outlaw
Six Legs81
Alias
Lepisma saccharinum

Silverfish

400 million years old. Predates wings. Lives 8 years. Mates by floor-deposited sperm packet.

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A springtail (Folsomia candida), small pale white-cream elongated body with six legs and antennae, magnified specimen on cream backdrop.
Beneficial
Six Legs81
Alias
Folsomia candida

Springtail

100,000 per square meter of soil. Catapults itself with a spring-loaded tail. Survives -60°C.

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A tailless whip scorpion (Damon variegatus), flattened mottled body with spiked raptorial pedipalps held forward and extremely long thin antenniform first legs.
Curious
Six Legs81
Alias
Damon variegatus

Tailless Whip Scorpion

Looks terrifying. Completely harmless. 60 cm of antenna-leg sensors. Featured in Harry Potter.

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On File
A wētāpunga (Deinacrida heteracantha), enormous brown cricket-like insect with thick body, six stout legs, and long antennae.
Curious
Six Legs83
Alias
Deinacrida heteracantha

Wētāpunga (Giant Wētā)

Heavier than a sparrow. Endemic to one NZ island. The mammal-substitute insect of an island without mammals.

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