The regal moth's caterpillar (the 'hickory horned devil') is the LARGEST caterpillar in North America — 13-15 cm long, roughly the thickness of an adult index finger.
Queens reach 5 cm long with a 7.5+ cm wingspan — the largest hornet on Earth.
By wing surface area, the atlas moth is the largest moth in the world — up to 400 cm² of wing.
The emperor scorpion is the largest scorpion on Earth — adult females reach 23 cm.
Scolopendra gigantea is the largest centipede on Earth — verified specimens reach 30 centimeters.
The giant huntsman has the largest leg span of any spider — up to 30 cm across, the size of a dinner plate.
By body mass and length, the goliath birdeater is the largest spider on Earth — up to 175 grams and 11 cm body length.
