Bug Identifier

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.

June Bug

A chunky, reddish-brown to nearly black scarab beetle that bumbles noisily around porch lights on warm late-spring and early-summer evenings.

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June Beetle

A stout, reddish-brown scarab beetle that emerges in late spring and early summer, famous for clumsily bumping into porch lights and window screens at night.

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Green June 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.

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Ten-lined June Beetle

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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Potato Bug

Potato Bug

A rounded, boldly striped beetle in cream and black that feeds on potato and other nightshade foliage, easily recognized by the ten black stripes running down its wing covers.

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Harlequin Bug

Harlequin Bug

A shield-shaped stink bug painted in bold black-and-orange (or red-and-yellow) blotches, making it one of the most colorful and easily recognized true bugs on cabbage and other cole crops.

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Jewel Bug

Jewel Bug

A living gemstone of the insect world, the jewel bug shimmers in dazzling metallic greens, blues, reds, and golds. Its enlarged shield-like back covers the entire body, making it look like a polished piece of enamelware.

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Stag Beetle

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.

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Stink Bug

Stink Bug

A broad, shield-shaped true bug that releases a pungent defensive odor when handled or crushed, commonly found on garden vegetables and fruit trees.

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Pill Bug

Pill Bug

A gray, segmented, armor-plated crustacean that curls into a tight ball when disturbed, commonly found under rocks, logs, and damp garden debris.

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Firefly Beetle

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.

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Flour Beetle

Flour Beetle

A tiny, shiny reddish-brown beetle that infests flour, cereal, and other dry stored foods, often found in dense clustered populations.

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Plant Bug (Tarnished Plant Bug)

Plant Bug (Tarnished Plant Bug)

A small, oval, mottled brownish true bug with a distinctive yellow triangular marking behind the head, the tarnished plant bug is a fast-moving plant feeder common across gardens, fields, and weedy edges.

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Japanese Beetle

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.

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Predatory Stink Bug

Unlike its plant-feeding relatives, the predatory stink bug is a hunter that spears caterpillars and beetle larvae with a stout beak. The spined soldier bug is a familiar shield-shaped garden ally.

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Colorado Potato Beetle

Colorado Potato Beetle

A rounded, boldly striped yellow-and-black beetle that is one of the most notorious defoliators of potato plants, easily spotted marching across leaves in gardens and fields.

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Spined Soldier Bug

Spined Soldier Bug

A predatory stink bug identified by the sharp, pointed spines projecting from its shoulders, valued in gardens and farm fields for hunting caterpillars, beetle larvae, and other pest insects.

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Bordered Plant Bug

Bordered Plant Bug

A dark, oval-bodied true bug with a distinct pale margin around its wing edges, often mistaken for a large ant or beetle when its nymphs cluster together in tight groups.

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Fireflies (Lightning Bug)

A soft-bodied beetle that turns summer evenings magical by flashing rhythmic patterns of cold light from its abdomen to attract mates across meadows and forest edges.

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Green Shield Bug

Green Shield Bug

A broad, shield-shaped true bug in solid bright green with a bronzy tinge in autumn, the green shield bug is one of the most commonly encountered stink bugs in European gardens and hedgerows.

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Leaf-Footed Bug

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.

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Southern Green Stink Bug

Southern Green Stink Bug

A large, shield-shaped, solid bright green true bug found on a wide variety of garden and crop plants across warm regions worldwide, recognizable by its broad body and, in some individuals, a row of small pale dots along the shoulders.

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Two-Spotted Stink Bug

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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White Grub

A pale, C-shaped larva with a brown head capsule and six stubby legs, spending its entire early life hidden underground feeding on roots before emerging as a stout May or June beetle.

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