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.
Antlion
An insect best known for its larval stage, the doodlebug, which digs a small conical pit trap in loose sand to ambush unwary ants, while the winged adult resembles a slender, delicate damselfly.
other
Corn Earworm Moth
A tan to olive-colored moth whose caterpillar, the corn earworm, is one of the most economically significant crop pests in North America, feeding inside corn ears, tomatoes, and cotton bolls.
moth
Regal Moth (Hickory Horned Devil)
One of the largest moths in North America, with orange-red and gray-veined wings on the adult, best known for its enormous, formidable-looking caterpillar, the hickory horned devil, a blue-green giant bristling with long orange spines.
moth
Corn Earworm
A color-variable caterpillar, ranging from pale green to reddish-brown, that burrows headfirst into corn ears and is one of the most economically significant crop pests in North America.
caterpillar-larva
Leaf-Footed Bug
A large, elongated brown true bug named for the flattened, leaf-shaped expansions on its hind legs, often found feeding on fruits, seeds, and vegetables in gardens and orchards.
true-bug
Termite Swarmer
A dense, short-lived cloud of dark, equal-winged insects pouring from a crack in soil or wood, each one a would-be founder of a brand-new termite colony.
other
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
Caddisfly
A moth-like insect whose larvae are famous for constructing portable protective cases out of silk and whatever sand, twigs, or debris they can find.
aquatic-insect
Black Vine Weevil
A flightless, all-black snout beetle notorious for notching the edges of leaves at night while its underground larvae feed on plant roots and crowns.
beetle
Lime Hawk-Moth
A stout, angular-winged hawk-moth in muted greens, browns, or pinks with deeply scalloped wing margins, closely tied to lime (linden) trees for its larval development.
moth
Carpet Beetle
A tiny, rounded beetle with a mottled scale pattern of white, brown, and yellow, whose bristly larvae are known for feeding on wool, fur, and other dried animal fibers indoors.
beetle
Two-Spotted Stink Bug
A boldly patterned black-and-orange predatory stink bug named for the pair of dark spots on its back, best known for hunting Colorado potato beetle larvae in gardens and fields.
true-bug
Gall Wasp
A minuscule, rarely seen wasp whose larvae trigger plants, especially oaks, to grow distinctive round or spiky growths called galls that serve as both shelter and food supply.
wasp
Green Lacewing
With delicate pale green wings and glittering golden eyes, the Green Lacewing is a familiar garden insect whose larvae are voracious predators of aphids and other soft-bodied pests.
other
Old House Borer
A grayish-brown to nearly black longhorn beetle whose larvae bore extensively through structural softwood, capable of causing large galleries hidden beneath the wood surface.
beetle
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
Luna Moth Caterpillar
A large, plump, apple-green caterpillar with faint yellow side stripes and rows of small red-orange tubercles, the larval form of one of North America's most beautiful giant silk moths.
caterpillar-larva
Mexican Bean Beetle
A copper-colored, spotted beetle resembling an overgrown ladybird that feeds on bean plant leaves along with its spiny yellow larvae.
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
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
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
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