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.
Squash Beetle
A large, coppery-orange, spotted beetle that resembles an oversized ladybird but, unlike most of its relatives, feeds on squash and pumpkin leaves rather than aphids.
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Ground Beetle
A fast-moving, shiny black or metallic beetle with long legs and prominent jaws, usually found scurrying under rocks and debris where it hunts other small invertebrates.
beetleBurying 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.
beetleRiffle Beetle
Tiny and unassuming, riffle beetles cling tightly to submerged rocks in swift, clean streams for their entire lives, making them one of the most reliable living indicators of healthy water.
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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.
beetleWhirligig Beetle
A small, glossy black beetle that spins and darts in rapid circles across the surface film of ponds, often gathered in loose groups, using divided eyes to see both above and below the water at once.
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Palo Verde Beetle
One of the largest beetles in North America, a heavy, dark reddish-brown longhorn beetle with long spiny antennae and a loud, buzzing flight that emerges from the desert soil around palo verde and mesquite trees in summer.
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Firefly Beetle
A soft-bodied, dark beetle famous for producing rhythmic flashes of light from its abdomen at dusk, using bioluminescence to attract mates on warm summer evenings.
beetleGlowworm Beetle
A beetle whose females remain larva-like and glowing for their entire lives, producing rows of soft greenish light along their segmented, worm-like bodies, while males develop into small, feathery-antennaed flying beetles.
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Hercules Beetle
One of the largest beetles in the world, with males bearing dramatic, forceps-like horns nearly as long as the rest of their armored, olive-green body.
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Red Flour Beetle
A tiny, flattened, rust-red beetle found in stored flour and grain worldwide, capable of flight and closely resembling the confused flour beetle apart from the shape of its antennal club.
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Japanese Beetle
A small, iridescent beetle with a metallic green head and thorax and coppery-bronze wing covers, notorious for skeletonizing the leaves of roses, grapevines, and hundreds of other garden plants.
beetleDarkling Beetle
A uniformly dark, matte-black ground beetle often seen walking deliberately across open soil, known for tilting its rear end skyward in a distinctive defensive posture when disturbed.
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Great Diving Beetle
One of Europe's largest water beetles, the great diving beetle is a streamlined, olive-brown predator that rows through ponds on fringed hind legs, surfacing periodically to trap a bubble of air beneath its wing covers.
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European Stag Beetle
Europe's largest beetle, a glossy dark brown insect in which males carry oversized antler-like mandibles used to wrestle rivals, resembling the antlers of a stag.
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Asian Lady Beetle
A highly variable orange-to-red ladybird beetle, often bearing many black spots or none at all, famous for swarming into homes in large numbers during autumn.
beetleNet-winged Beetle
A soft-bodied beetle with broad, ridged wing covers patterned in bold orange or red and black bands, whose netlike wing venation and vivid coloring warn potential predators of its unpalatability.
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Asparagus Beetle
A small, boldly patterned blue-black beetle with cream and orange-red markings that clusters on emerging asparagus spears in spring.
beetleBombardier Beetle
A dark, quick-moving ground beetle famous for firing a hot, audible chemical spray from its abdomen when disturbed, using two-tone coloring of a reddish head and thorax against blue-black wing covers as a warning signal.
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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.
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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.
beetlePine 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.
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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