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.

Achemon Sphinx Moth
A large, streamlined sphinx moth with pinkish-brown forewings marked by darker scalloped patches and rosy pink hindwings edged in black, closely tied to grapevines as a larval host.
moth
Aphid Midge
A delicate, long-legged midge whose orange larvae are voracious aphid hunters. The aphid midge is a prized natural enemy of aphids in gardens and greenhouses.
fly
Soldier Fly
A wasp-mimicking fly with a flattened, often metallic body that spends its larval life quietly breaking down decaying plant matter or aquatic debris.
fly
Burying Beetle
A black beetle marked with bold orange-red bands, notable for locating small dead animals, burying them underground, and cooperatively raising larvae with a partner over the buried carcass.
beetle
Metallic Wood-boring Beetle
The North American common name for jewel beetles, emphasizing the wood-tunneling habits of their larvae, which leave telltale flattened, D-shaped exit holes in bark of stressed or dying trees.
beetle
Milkweed Tussock Caterpillar
Rows of dense orange, black, and white hair tufts run down the back of this milkweed specialist, whose young larvae feed in tight groups that skeletonize milkweed leaves before dispersing to feed alone.
caterpillar-larva
Fruit Fly (Mediterranean)
A small but strikingly patterned fly with mottled, banded wings held out to the sides in a fan and a body dotted with silvery spots, best known for larvae that tunnel through ripening fruit. Native to sub-Saharan Africa, it has spread with human trade to become one of the most widely recognized fruit-infesting insects in the world.
fly
Rootworm
Working unseen below ground, rootworm larvae chew tunnels through the root systems of corn and other crops, the underground counterpart to the small, often striped or spotted beetles seen on leaves and flowers above.
beetle
Pine Sawyer Beetle
A large, long-antennaed longhorn beetle of pine and spruce forests, mottled gray-brown to black, that produces a rasping sound when handled and whose larvae tunnel deep into dead or dying conifer wood.
beetle
Grain Moth
A tiny buff-colored moth whose larvae tunnel invisibly inside individual kernels of stored grain, hollowing them out from within.
moth
Powderpost Beetle
A small, slender reddish-brown to dark brown beetle whose larvae tunnel through seasoned hardwood, reducing it internally to a fine, powdery frass.
beetle
Isabella Tiger Moth (Woolly Bear)
Famous chiefly in its larval stage as the banded woolly bear caterpillar, this tiger moth's fuzzy black-and-rust-colored caterpillar is a familiar autumn sight, while the adult is a soft, tawny-orange moth with a stout, furry body.
moth
Emerald Ash Borer
A slender, bullet-shaped beetle with brilliant metallic-green coloring, whose bark-tunneling larvae feed almost exclusively within ash trees.
beetle
Sawfly
A wasp relative that never stings, best known for its caterpillar-like larvae that strip leaves from roses, pines, and other garden plants in tidy rows.
wasp
Carrot Rust Fly
A slender, shiny black fly barely a few millimeters long whose slim yellowish larvae tunnel rust-colored trails through carrot and parsnip roots.
fly
Wax Moth
A plain grey-brown moth whose larvae tunnel through beeswax honeycomb, spinning silk webbing as they feed, making it a well-known pest of beekeeping operations.
moth
Furniture Beetle
A tiny, reddish-brown to dark brown cylindrical beetle whose larvae, commonly called 'woodworm,' bore small round tunnels through seasoned furniture and timber.
beetle
Cabbage White Caterpillar
A velvety, bright green caterpillar with a faint yellow stripe down its back, the larval stage of the common white butterfly seen fluttering around vegetable gardens.
caterpillar-larva
Gypsy Cutworm Moth
A plain, mottled grey-brown night-flying moth whose stout, soil-dwelling larvae are known as cutworms for their habit of severing young plant stems near ground level.
moth
Webbing Clothes Moth
A small, plain golden-buff moth that avoids light and flutters weakly from dark closets, leaving silken webbing where its larvae have grazed on wool and fur.
moth
Clothes Moth
A tiny, pale golden moth that avoids light and flutters weakly from dark closets, more often noticed by the damage its larvae leave in stored fabrics than by the moth itself.
moth
Dung Fly
A hairy, often golden-hued fly commonly seen perched on fresh manure in pastures, where it hunts smaller insects as an adult while its larvae develop within the dung itself.
fly
American Carrion Beetle
A broad, flattened black beetle with a striking pale yellow shield behind its head, commonly found on and around small animal carcasses where it feeds alongside fly larvae.
beetle
Common Clothes Moth
A tiny, plain golden-buff moth that rarely flies far into open light, best known not for its adult form but for its silk-spinning larvae that chew holes in wool, fur, and feathers.
moth