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.

Grain Moth
A tiny buff-colored moth whose larvae tunnel invisibly inside individual kernels of stored grain, hollowing them out from within.
moth
Jorō Spider
A large, strikingly colored East Asian orb weaver with yellow-and-blue-gray banding, now spreading rapidly across the southeastern United States and building enormous golden webs.
spider
Bottle Fly
A stout fly with a shining, metallic blue body that produces a loud, deep buzz and is commonly seen darting around trash cans, compost, and outdoor gatherings.
flyBraconid Wasp
A tiny, often overlooked parasitoid wasp best known for laying eggs inside caterpillars and other insect hosts, sometimes leaving telltale clusters of small white cocoons on a host's back.
wasp
Leafhopper
A small, wedge-shaped insect that darts sideways and springs away in quick hops when disturbed, often brightly striped or patterned and found clinging to the underside of leaves.
true-bug
Blue-winged Grasshopper
A drab, camouflaged grasshopper that startles onlookers with a sudden flash of bright blue hindwings the instant it takes flight.
grasshopper-cricket
Hornet
A large, robust social wasp with a reddish-brown and yellow patterned body, notably bigger than yellowjackets, building enclosed papery nests often high in tree cavities or wall voids.
wasp
European Hornet
A large, robust wasp with a reddish-brown thorax, yellow-and-brown striped abdomen, and a distinctive habit of nesting in hollow trees, making it the largest true hornet native to Europe and introduced to eastern North America.
wasp
Deer Fly
A small but aggressive fly with strikingly patterned, dark-banded wings and bright green or gold eyes, often circling the head and shoulders while hunting for a blood meal.
fly
West Virginia White
A delicate, pure-white spring butterfly of eastern hardwood forests with faint gray veining on the underside, flying only for a few weeks each year before its short-lived toothwort host plants fade.
butterfly
Zebra Longwing
A slow-flying, long-winged black butterfly striped boldly with yellow, unusual among butterflies for feeding on pollen as an adult, which extends its lifespan to several months.
butterfly
Formosan Subterranean Termite
A pale, aggressive subterranean termite native to East Asia that builds enormous colonies and can construct large above-ground carton nests in trees, walls, and structures.
other
Brown-tail Moth
A pure white moth with a tuft of brown hair at the tip of its abdomen, whose gregarious, hairy caterpillars overwinter communally in silken webs on tree branches.
moth
Tiger Beetle
A fast, metallic-hued ground beetle with oversized sickle-shaped jaws that sprints and short-flies down open sandy trails in pursuit of tiny prey.
beetle
Puss Moth
A stout, furry gray-and-white moth named for its dense, cat-like coat of hair, best known for its bizarre green caterpillar with a hump-backed, face-like front end and forked tail filaments used in defensive displays.
moth
Screwworm Fly
A metallic blue-green blowfly whose larvae are unusual among maggots for feeding on living tissue rather than carrion, drawn to even small open wounds on warm-blooded animals. The species has been the target of one of the most successful large-scale insect eradication campaigns in history across much of North America.
fly
Mud Dauber
A slender, non-aggressive solitary wasp with a distinctively long, thread-like waist, known for constructing tube- or pot-shaped nests out of mud pellets on walls and eaves.
wasp
Ladybug
A small, round, brightly colored beetle with a domed, shiny shell typically red or orange with black spots, one of the most recognizable and beloved beetles found in gardens worldwide.
beetleSugar Ant
A common name for several large, sugar-loving ants, most famously the black-and-orange banded sugar ant of Australia, known for its persistent nighttime foraging around kitchens and picnics.
ant
Stag Beetle
A large, glossy beetle whose males wield oversized, antler-like mandibles resembling a stag's rack of horns, used for wrestling rival males rather than for feeding.
beetleTortoise Beetle
A small, flat, disc-shaped beetle whose expanded wing covers and pronotum hide its head and legs almost entirely, giving it the look of a miniature turtle shell crawling across a leaf.
beetle
Snail
A shelled land mollusk that carries a coiled, calcium-carbonate shell on its back and glides slowly across damp gardens and vegetation on a slime-lubricated foot.
other
Little Wood-Satyr
A small, weak-flying brown butterfly with two prominent yellow-ringed eyespots on each wing, common along shaded woodland edges in late spring.
butterflyNo-See-Um
A speck-sized fly so tiny it seems to vanish from sight, yet capable of swarming exposed skin near beaches and marshes at dawn and dusk.
fly