Bug Encyclopedia
Search and identify bugs & insects — beetles, butterflies, moths, ants, bees, spiders and more — with size, habitat, danger, behavior, and how to tell them apart.
Money Spider
A tiny sheet-weaving spider, often seen drifting through the air on silk threads, traditionally said to bring good luck when it lands on you.
spider
Fire Ant Queen
The reproductive powerhouse of a fire ant colony, noticeably larger than the reddish worker ants and equipped with wings before she sheds them to found a new nest.
ant
Cluster Fly
A sluggish, dark fly covered in fine golden hairs that gathers by the hundreds on sun-warmed walls in autumn before slipping indoors to spend the winter.
fly
Comet Moth (Madagascan Moon Moth)
One of the largest and most spectacular silk moths in the world, with pale yellow-to-red wings and extraordinarily long, ribbon-like tails on the hindwings.
moth
Asian Giant Hornet
The world's largest hornet, an imposing orange-and-black wasp with a wide head and long stinger, best known for raiding honey bee colonies to feed its brood.
wasp
Greenhead Fly
A stout, strikingly green-eyed horse fly that emerges from Atlantic salt marshes in midsummer swarms, where the females bite to feed on blood.
fly
Marbled White
A striking checkerboard butterfly with bold black-and-white wing patterning, despite its name it belongs to the brown butterfly family rather than the whites.
butterfly
Vine Weevil
A slow, flightless, matte-black beetle that hides by day and emerges at night to notch neat semicircular bites from the edges of leaves.
beetle
Pirate Spider
A stealthy, spider-eating specialist that sneaks onto another spider's web, plucks the silk to mimic trapped prey, and ambushes the unsuspecting owner.
spider
Arizona Bark Scorpion
A slim, pale tan scorpion of the Sonoran Desert that climbs trees, walls, and even ceilings with equal ease thanks to its excellent grip.
arachnid
Whip Spider
A flattened, spider-like arachnid with no venom and no silk, using a pair of extremely long, whip-like front legs as sensitive feelers to navigate the dark.
arachnid
Common Earwig
A flattened, reddish-brown insect instantly recognizable by the pair of pincer-like forceps at the tip of its abdomen, which it uses for defense and to help fold its wings.
other
Cave Cricket
Humpbacked and wingless with absurdly long legs and antennae, this pale, silent insect thrives in the total darkness of caves, basements, and damp crawl spaces.
grasshopper-cricket
Grizzled Mantis
Mottled in shades of gray and lichen-green, this flattened mantis presses itself against tree bark so convincingly that it seems to melt into the trunk.
mantis-stick
Blue-eyed Darner
A large, fast-flying darner with brilliant sky-blue eyes that meet in a seam across the top of the head, patrolling ponds and open fields well into the evening.
dragonfly
Common Wood-Nymph
A large brown grassland butterfly with a bold yellow patch and one or two prominent black eyespots on the forewing, known for its bouncing, low-to-the-ground flight.
butterfly
Pillbug
A gray, armor-plated land crustacean that curls into a tight ball at the slightest touch, earning it the playful nickname "roly-poly."
other
Booklice (Psocid)
A tiny, soft-bodied, pale insect barely visible to the naked eye that grazes on mold and mildew in damp books, wallpaper, and stored goods.
other
Non-Biting Midge
A mosquito look-alike that gathers by the thousands in swirling mating swarms near lakes and ponds, despite lacking any ability to bite.
fly
Ghost Ant
A minuscule ant with a dark head and pale, nearly translucent legs and abdomen that seem to vanish against light-colored surfaces, giving the species its ghostly common name.
ant
Armyworm Moth
A plain tan to reddish-brown moth whose caterpillars are famous for marching in large groups across fields, stripping grasses and grain crops as they move.
moth
Diving Bell Spider
The world's only truly aquatic spider, famous for spinning an underwater silk bell that it fills with air, allowing it to live, hunt, and breed almost entirely submerged.
spider
Ant-mimic Spider
A slender jumping spider that walks on six legs while waving the front pair like antennae, convincingly passing itself off as an ant to fool predators and prey alike.
spider
Milkweed Bug
A bold orange-and-black true bug that clusters conspicuously on milkweed seed pods, its warning colours advertising the plant toxins it safely stores from its host.
true-bug