Deadly bugs
Every species in the Wild Files corpus where deadly is a defining trait.
92 on file
Eciton Army Ant
Builds bridges out of itself. Raids 200,000 strong. Comes with its own bird entourage.
Asian Giant Hornet
Slaughters whole bee colonies in hours. Wears a sting that breaks down flesh.
Brazilian Wandering Spider
World's most venomous spider. Doesn't build webs — wanders. Found in shoes, banana shipments.
Bullet Ant
Tops the world's pain index — a sting that earned a coming-of-age ritual.
Deathstalker Scorpion
Deadliest scorpion on Earth. Venom: $39M per gallon. Used to light up brain tumors.
Globe Skimmer Dragonfly
Longest insect migration on Earth (18,000 km). 95% kill rate. 360-degree vision.
African Driver Ant
22 million workers per colony. Raid in columns kilometers long. Clean a house in hours.
Red Imported Fire Ant
Builds living rafts during floods. Floats for weeks. Costs the US $6 billion a year.
Amazonian Giant Centipede
Largest centipede on Earth. Hangs from cave ceilings to ambush bats mid-flight.
Yellow Fever Mosquito
Deadliest animal in human history. Has killed more people than every war combined.
European Praying Mantis
Rotates her head 180°. Sees you in 3D. Sometimes decapitates her partner.
Sydney Funnel-Web Spider
Sydney's only deadly spider. Venom kills humans but barely affects dogs. Antivenom has stopped every death since 1981.
Tarantula Hawk
Hunts tarantulas. Paralyzes them. Lays an egg inside the still-living body.
Australian Tiger Beetle
Fastest insect on Earth. Runs so fast her eyes can't keep up.
Western Black Widow
Red hourglass on a black mirror. Venom 15× rattlesnake by weight. Doesn't always eat the male.
Tsetse Fly
Reshaped the map of Africa. Gives birth to single larvae. Carries sleeping sickness.
Velvet Ant ('Cow Killer')
Not an ant. Wingless wasp. Sting painful enough to be called 'cow killer.' Indestructible armor.
Black-Legged (Deer) Tick
Cements herself to your skin for 3 days. Carries Lyme disease. Range expanding north 50 km a decade.
Black & Yellow Mud Dauber
Builds mud nests on your wall. Stuffs each cell with paralyzed spiders. Doesn't sting people.
Varroa Mite
1.6 mm parasite. Single greatest threat to global honey bees. Costs beekeepers $2B a year.
Assassin Bug
Liquefies prey from inside out. Wears disguises of dust, lint, or the corpses of past kills.
Goldenrod Crab Spider
Changes color from white to yellow over weeks. Ambushes bees on flowers. No web.
Bean Leaf Beetle
Major NA soybean pest. Color-polymorphic — yellow, red, tan, or orange. Vectors BEAN POD MOTTLE VIRUS.
Striped Cucumber Beetle
Sister pest to spotted cucumber beetle. Yellow-and-black STRIPES instead of spots. Same bacterial wilt vectoring.
Asian Hornet (Yellow-Legged Hornet)
Major invasive European pest. Hovers at beehives intercepting HONEY BEES — thousands of bees killed daily.
Spotted Cucumber Beetle
Major NA cucurbit pest. Vectors BACTERIAL WILT. 11 black spots on yellow-green elytra.
Asian Blue Cattle Tick
Most damaging tick species globally. $20-30B annual cattle losses. Successfully eradicated from US in 1943.
Sheep Tick (Castor Bean Tick)
Primary European LYME DISEASE vector. Also vectors tick-borne ENCEPHALITIS VIRUS. 65K+ Lyme cases/year in Europe.
Potter Wasp (Mason Wasp)
Constructs MINIATURE URN-SHAPED MUD POTS — perfect symmetrical pottery vessels for single-caterpillar provisions.
Trichogramma Wasp
TINY parasitoid wasp (0.3 mm). BILLIONS commercially mass-reared per year for agricultural pest control.
Caterpillar Hunter Beetle (European Ground Beetle)
Brilliant metallic GREEN-AND-GOLD ground beetle. INTRODUCED to NA in 1905 to control invasive spongy moth.
Violet Ground Beetle
Brilliant METALLIC VIOLET-PURPLE European ground beetle. 35 mm. Nocturnal predator of slugs, snails, earthworms.
Bullhorn Acacia Ant
Foundational PLANT-ANT MUTUALISM. Lives in hollow thorns of acacia. Aggressively defends tree from herbivores.
Garden Symphylan
Tiny white 12-legged 'pseudocentipede'. Separate ancient arthropod class. Major NA vegetable seedling pest.
Hemlock Woolly Adelgid
Catastrophic forest pest. Has killed essentially ALL mature eastern hemlocks across Appalachia.
Cotton Stainer
Bright red-and-yellow cotton pest. STAINS cotton fibers yellow-and-red — major southeastern US cotton damage.
Glassy-Winged Sharpshooter
Vector of PIERCE'S DISEASE in California vineyards. Threatens $58B CA wine industry. Killed Italian olive trees.
Spined Soldier Bug
PREDATORY stink bug. Eats caterpillars and beetle larvae. Commercially reared as biocontrol agent.
Giant Asian Mantis
8-10 cm SE Asian mantis. Captures small lizards, snakes, hummingbirds. Popular pet mantis worldwide.
Brown Planthopper
Major rice pest of Asia. Causes 'HOPPERBURN' — entire fields die in days when populations explode.
European Elm Bark Beetle
Primary vector of DUTCH ELM DISEASE. Killed tens of millions of American elms across NA since 1930s.
Sirex Woodwasp
Injects FUNGAL SPORES into pine trees with eggs. Fungus digests wood for the larva. Major invasive pine pest globally.
Yellow Crazy Ant
World's 100 worst invasive species. Killed 10-15 MILLION red crabs on Christmas Island. Catastrophic.
Goldenrod Crab Spider
Color-changing CHAMELEON spider. Switches between WHITE and YELLOW to match flower color. Walks sideways like a crab.
Six-Eyed Sand Spider
MOST POTENT spider venom on Earth (drop-for-drop). Buries herself in sand. Almost never bites humans.
Hellgrammite
Predatory aquatic larva of dobsonfly. 6-9 cm. Massive sickle jaws. Most-prized live bait in NA stream fishing.
Pavement Ant
Common urban ant. Famous for spectacular ANNUAL PAVEMENT WARS — thousands of ants in mass spring combat.
European Beewolf
Solitary wasp that EXCLUSIVELY hunts HONEY BEES. Cultivates antibiotic-producing bacteria in antennal glands.
Hanging Thief Robber Fly
Aerial predator that HANGS from a single front leg while consuming prey. Catches bees, wasps, dragonflies in mid-air.
American Dog Tick
Major NA vector of Rocky Mountain spotted fever. Also tick paralysis. Wood-tick of NA hiking trails.
Dragonhunter
Largest clubtail in NA. Hunts and eats other DRAGONFLIES. Apex predator of NA freshwater systems.
Asian Longhorned Beetle
Invasive wood-boring beetle. Threatens NA maple forests. $700M USDA eradication effort.
Lone Star Tick
Bite makes you ALLERGIC TO MAMMALIAN MEAT. Alpha-gal syndrome — discovered 2009.
Eastern Pondhawk
Eats other dragonflies. EMERALD-GREEN females, POWDER-BLUE males. Most aggressive NA pond predator.
Bulldog Ant
Australia's giant primitive ants. Massive sickle jaws. Sees prey from 1 meter. Most ANCIENT surviving ant lineage.
Great Black Wasp
35 mm jet-black solitary wasp. Paralyzes katydids alive. Famous in philosophy of mind ('Sphexishness').
Indian Red Scorpion
World's most lethal scorpion. Pre-treatment childhood mortality 30-40%. Cardiac autonomic storm.
Allegheny Mound Ant
Builds 1-meter dome-shaped solar mounds. Aggressively kills nearby trees with formic acid to maintain sun.
Cuckoo Bumblebee
Bumblebee that abandoned workers. Invades host bumblebee nests, kills the queen, takes over the colony.
Elephant Mosquito
Largest mosquito on Earth. Adults DON'T bite. Larvae eat 200+ Aedes mosquito larvae each. Used as biocontrol.
German Yellowjacket
Most cosmopolitan invasive yellowjacket. NZ has 10x more biomass than native pollinators. 5,000-worker colonies.
Chigoe Flea (Jigger)
Female burrows INTO your foot. Stays embedded 4-6 weeks. Affects 20M+ people worldwide.
Snouted Termite (Nasute Termite)
Termite soldier with a snout that SPRAYS sticky resin. Mandibles abandoned entirely. 1 cm range.
Owl Fly
Dragonfly look-alike that's actually a lacewing relative. Giant owl-eyes. Butterfly-club antennae.
Asp Caterpillar (Southern Flannel Moth)
Looks like a piece of cotton. Sting reportedly the most painful in North America. Pet your kid.
Common Backswimmer
Only insect that swims UPSIDE DOWN. Bite hurts like a bee sting. Eats mosquito larvae and tadpoles.
Great Diving Beetle
Hunts tadpoles and small fish underwater. Carries an air bubble under her wings. Larva is a 'water tiger.'
Body Louse
Vector of typhus that killed 30M+. Dated origin of human clothing. Lives only in the seams of your clothes.
Chinese Mantis
Largest mantis in North America. Eats hummingbirds at feeders. Sold as 'beneficial' garden biocontrol.
New World Screwworm Fly
Larvae eat living flesh. Eradicated from US by sterile-male flooding in 1966. Foundational pest control success.
Africanized Honey Bee (Killer Bee)
The 'killer bee.' Hybrid escaped Brazil in 1957. 1,000+ human deaths. Pursues victims hundreds of meters.
Emerald Cockroach Wasp (Jewel Wasp)
Stings the cockroach's BRAIN. Cockroach becomes zombie. Wasp leads her by the antenna into the grave.
Oriental Rat Flea
Vector of bubonic plague. Killed 200+ MILLION humans across history. Most consequential insect ever.
Eastern Tent Caterpillar
Builds silken tent nests in spring cherry trees. Causes Kentucky horse abortion epidemics.
Pine Processionary Caterpillar
Marches in head-to-tail processions of hundreds. Bristles cause anaphylaxis. Kills dogs.
Darwin's Bark Spider
Strongest natural material on Earth. Silk 10× tougher than kevlar. Webs span 25 meters across rivers.
Squash Bug
Dominant pest of squash and pumpkins. Vector of cucurbit yellow vine disease.
Emerald Ash Borer
Killed 100 million ash trees since 2002. Most economically destructive forest insect ever introduced to North America.
Yellow Fever Mosquito
Vector of yellow fever, dengue, Zika, chikungunya. Day biter. Breeds in a bottle cap of water.
Anopheles Mosquito (Malaria Vector)
Sole vector of human malaria. Kills 600,000 a year. Most deadly animal on Earth, by impact.
Fat-Tailed Scorpion
Latin name means 'man-killer.' Hundreds of deaths per year across North Africa and the Middle East.
Asian Longhorned Beetle
Asian invader. Has killed 130,000+ US trees since 1996. Glossy black with white spots and impossibly long antennae.
Sand Fly
Tiny enough to slip through mosquito netting. Vector of leishmaniasis. Affects 12 million people.
Arizona Bark Scorpion
Only deadly US scorpion. Glows blue-green under UV light. Lurks under bark and inside shoes.
Robber Fly
Aerial ambush predator. Takes bees, wasps, even hummingbirds. Paralyzes prey midair.
Ant-Mimicking Spider
Spider that walks, smells, and waves antennae like an ant. Some species hunt the ants she mimics.
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.
Portia Spider
Smartest invertebrate on Earth. Hunts spiders using deception, detours, and multi-step planning.
Spider Wasp
Hunts tarantulas. Paralyzes them. Drags them home for one egg. Sting rated 4.0 — the worst.
Stingless Bee
Has no sting. Maya kept her in hollow logs for 1,000 years. Honey is medicine in three civilizations.
Six-Spotted Fishing Spider
Walks on water. Catches fish. Dives underwater with an air-bubble respirator.
Spitting Spider
Spits sticky-and-venomous silk-glue at prey from 1 cm away. Fires in 1.4 milliseconds.