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.
American Dog Tick
A stout, mottled brown-and-silver tick that waits on grass blades with its front legs outstretched, ready to latch onto a passing host.
arachnid
Atlas Beetle
A large, glossy black-to-metallic rhinoceros beetle in which males bear three long curved horns used for combat over food and mates.
beetle
Squash Vine Borer
A day-flying, wasp-mimicking moth whose orange fuzzy hind legs and metallic wings make it easy to mistake for a wasp as it darts around squash vines.
moth
Io Moth Caterpillar
A bright lime-green caterpillar bristling with clusters of branching, stinging spines and thin red and white racing stripes along its sides.
caterpillar-larva
Stinging Rose Caterpillar
A boldly striped slug caterpillar in candy-like tones of yellow, orange, and purple, crowned with tufted spine clusters that can sting on contact.
caterpillar-larva
Dog Tick
A flattened, oval arachnid with mottled silvery markings that waits on grass tips and low brush for a passing host to climb aboard and attach.
arachnid
Scorpion
An ancient, armored arachnid with grasping pincers and a segmented tail carried curled over its back, tipped with a stinger used to subdue prey.
arachnid
Wall Spider
A tiny, flattened spider that spins a small disc-shaped web hugging the surface of a wall and darts sideways in a quick, erratic dash when disturbed.
spider
Snake Millipede
A slender, glossy, pale millipede that curls into a tight spiral when disturbed and often shows a faint row of reddish spots along its sides.
myriapod
House Dust Mite
A microscopic, translucent mite that lives unseen in household dust, feeding on shed skin flakes accumulated in bedding and furniture.
arachnid
Gall Mite
An almost worm-shaped, microscopic mite that induces plants to grow strange pouches, pockets, and felt-like patches around its feeding sites.
arachnid
Flat Rock Scorpion
An extraordinarily flattened, long-tailed scorpion that squeezes into paper-thin rock crevices, among the largest scorpions in the world by length.
arachnid
Marbled Orbweaver
A round-bodied orb weaver with a swollen, marbled orange-and-purple abdomen that builds large, symmetrical webs in damp woodland edges.
spider
Fiery Skipper
A small, fast, orange-and-black skipper often seen zipping low over lawns and gardens, with jagged black wing borders that resemble scorched edges.
butterfly
Virginia Tiger Moth
An almost pure-white, fluffy tiger moth with a few small black dots on the wings and body, whose caterpillar is the familiar pale yellow "yellow woolly bear."
moth
Bumblebee Moth
A fuzzy, day-flying sphinx moth that hovers at flowers like a bee, with mostly clear wings and a black-and-yellow banded body that mimics a bumblebee.
moth
Goliath Beetle
One of the largest and heaviest beetles on Earth, a massive scarab with a bold pattern of black, white, and brown stripes across its shield-like body.
beetle
American House Spider
A small, brownish spider with a bulbous, mottled abdomen that spins loose, irregular tangle webs in quiet corners, ceilings, and window frames.
spider
Blow Fly
A brilliant, metallic green fly that gleams like a jewel in sunlight, quickly locating decaying material with an acute sense of smell.
fly
Elm Seed Bug
A slim, brownish-orange seed bug that develops on elm seeds and becomes a familiar autumn nuisance as it seeks shelter on sun-warmed walls and window frames.
true-bug
Culex Mosquito
A large, worldwide genus of plain brown mosquitoes recognizable by their blunt abdomens and habit of resting flat against surfaces.
fly
Field Cricket
A stout, dark cricket whose loud, rhythmic chirping is one of the most familiar summer and fall night sounds in fields and lawns across much of the world.
grasshopper-cricket
Face Fly
A house fly look-alike that clusters persistently around the eyes, muzzle, and face of grazing livestock to feed on moisture and secretions.
fly
Cabbage White Butterfly
A small, plain white butterfly with one or two black spots on each forewing and dark wingtips, one of the most common and widespread garden butterflies in the world.
butterfly