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.
Cigarette Beetle
A tiny, reddish-brown, humpbacked beetle that rides along in stored dried herbs, spices, and tobacco wherever it hitches a ride.
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Mexican Bean Beetle
A copper-colored, spotted beetle resembling an overgrown ladybird that feeds on bean plant leaves along with its spiny yellow larvae.
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Drugstore Beetle
A tiny brown beetle with grooved wing covers that once earned its name by burrowing into dried herbs and medicines kept on pharmacy shelves.
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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.
beetleWater Penny Beetle
A flattened, coin-shaped larva that clings almost invisibly to the surface of submerged stream rocks, named for its uncanny resemblance to a small penny.
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Death Watch Beetle
A mottled brown wood-boring beetle famous for the faint ticking sound it taps out inside old timbers, once thought by superstitious listeners to be an omen of death.
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Rhinoceros Beetle
A massive, heavily armored beetle whose males sport a single large, curved horn projecting forward from the head, used to shove and flip rival males in contests of strength.
beetleWater Scavenger Beetle
Rounded and glossy, water scavenger beetles paddle through weedy ponds gathering air with a short antenna rather than a snorkel-like tube, feeding mostly on decaying plant matter and algae.
beetleGolden Tortoise Beetle
A tiny, dome-shaped beetle famous for its brilliant, mirror-like gold sheen, which it can dial down to a dull orange or spotted reddish tone within minutes when disturbed or handled.
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Sacred Scarab
A stout, matte-black dung beetle famous for rolling balls of dung across the ground with its hind legs, and revered in Ancient Egypt as a symbol of the sun and renewal.
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Confused Flour Beetle
A tiny, flattened, reddish-brown beetle commonly found in stored flour and grain products, distinguished from its near-identical relative the red flour beetle mainly by its antennae shape.
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Ten-lined June Beetle
A large, brown scarab beetle marked with bold white racing stripes down its wing covers, known for its loud buzzing flight and hissing defensive squeak.
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Whitefringed Beetle
A stout gray-brown weevil named for the pale, fringe-like stripe along the outer edge of its wing covers, whose root-feeding larvae are a recognized issue in pastures and row crops.
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Flower Chafer Beetle
Often clad in brilliant metallic greens, golds, and bronzes, flower chafers are day-flying scarab beetles that feed on flowers. Many buzz loudly in flight and keep their wing covers closed as they take off.
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Eastern Hercules Beetle
One of the largest beetles in North America, a massive rhinoceros beetle in which males bear an enormous forked horn used to wrestle rivals off of favored tree sap sites.
beetlePredaceous Diving Beetle
A sleek, streamlined beetle built for underwater hunting, carrying its own air supply as it patrols ponds in search of prey.
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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.
beetleDiving Beetle Larva (Water Tiger)
Nicknamed the water tiger, the larva of a predaceous diving beetle is an elongated, sickle-jawed hunter that stalks the shallows and seizes prey many times its own size.
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Vine Weevil
A slow, flightless, matte-black beetle that hides by day and emerges at night to notch neat semicircular bites from the edges of leaves.
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Black Soldier Fly
A sleek, dark, wasp-like fly whose larvae are voracious decomposers of decaying organic material, while the short-lived adults do not feed at all.
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Seven-spotted Ladybird
A classic bright red ladybird with exactly seven black spots, one of the most iconic and widely recognized beetles in the world.
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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.
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Cottonwood Borer
A large, boldly patterned longhorn beetle in black and chalky white checkerboard markings, often found clinging to the trunks of cottonwood and poplar trees near its larvae's root tunnels.
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Silverfish
A wingless, silvery-gray insect with a tapered, fish-like body and three long tail bristles, known for its quick, darting movements and preference for dark, humid hiding spots.
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