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.

Emperor Moth
A striking silk moth with a large eyespot on each of its four wings, showing pronounced differences between the smaller, orange-brown, day-flying males and the larger, greyer, night-flying females.
moth
Mexican Redknee Tarantula
One of the most recognizable tarantulas in the world, this heavy-bodied spider has jet-black legs banded with vivid orange-red at each joint, and defends itself by kicking a cloud of irritating hairs from its abdomen rather than attacking.
spiderCulex Mosquito
A large, worldwide genus of plain brown mosquitoes recognizable by their blunt abdomens and habit of resting flat against surfaces.
fly
Sphinx Moth
A large, streamlined, fast-flying moth with narrow triangular wings and a robust, tapering body, famous for hovering at flowers at dusk like a hummingbird.
moth
Spotted Lanternfly
A large, strikingly patterned planthopper with gray spotted forewings that flash to reveal crimson hindwings when it leaps or takes flight.
true-bug
Elm Leaf Beetle
A yellow-green leaf beetle with dark side stripes that skeletonizes elm foliage and gathers in large numbers to overwinter in buildings.
beetle
Swallowtail Butterfly
A large, showy butterfly named for the elongated, tail-like extensions on its hindwings, often seen gliding gracefully around gardens and flowering meadows.
butterflyTiger Swallowtail Caterpillar
A smooth green caterpillar with a swollen thorax marked by two large fake eyespots, giving it an uncanny resemblance to a tiny snake's head.
caterpillar-larvaSilver-spotted Skipper
A large, chunky brown skipper instantly identified by the bold, translucent silvery-white patch splashed across the underside of each hindwing.
butterfly
Regal Fritillary
A large, showy prairie butterfly with bright orange forewings and dramatically contrasting black hindwings dotted with rows of white and cream spots.
butterfly
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
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
Tiger Centipede
A large, banded desert centipede with alternating dark and pale segments reminiscent of tiger stripes, capable of a fast, muscular scuttle across sand and rock.
myriapod
Honeybee
A fuzzy, golden-brown and black social bee that lives in large colonies, builds wax honeycomb, and is the primary managed pollinator of crops and wildflowers worldwide.
bee
Common Green Darner
A large green-and-blue dragonfly and the official state insect of Washington, best known among dragonfly watchers for an annual migration that spans multiple generations.
dragonflyHarvester Ant
A large, industrious desert ant that clears a bare, sunburned disk of ground around its nest entrance while collecting and storing seeds by the thousands.
ant
Carpenter Bee
A large, robust bee closely resembling a bumblebee but with a shiny, mostly bald black abdomen, known for excavating tunnel nests into bare, untreated wood.
bee
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.
beetle
African Mantis
A large, sturdy green or brown mantis frequently found perched on garden shrubs, patiently scanning for insect prey with its sharply angled triangular head.
mantis-stickPolyphemus Moth Caterpillar
A plump, apple-green giant silk moth larva with rows of silvery spots that swells to the size of a large finger before spinning a papery brown cocoon.
caterpillar-larva
Milkweed Leaf Beetle
A large, boldly colored leaf beetle in glossy orange-red with irregular black patches, found feeding exclusively on milkweed plants alongside monarch caterpillars.
beetle
Green June Beetle
A large, velvety green scarab beetle with bronze edges that flies with a loud buzzing drone on warm summer days, often seen around ripening fruit.
beetle
Cloudless Sulphur
A large, bright lemon-yellow butterfly that flies with strong, direct wingbeats and rarely shows any dark markings, giving it an almost uniformly 'cloudless' appearance.
butterflyJerusalem Cricket
A large, wingless, ground-dwelling insect with a shiny amber body, a strikingly human-like face, and a robust, banded abdomen, most often uncovered while digging in soil.
grasshopper-cricket