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.

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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Earwig

Earwig

A slender, reddish-brown insect easily identified by the pair of curved, forceps-like pincers at the tip of its abdomen, often found hiding under mulch, bark, or garden debris by day.

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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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Bagrada Bug

Bagrada Bug

A tiny, orange-and-black stink bug with an intricate mottled pattern, notable as a small-bodied specialist pest of cabbage-family plants in warm, dry climates.

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Big-Eyed Bug

Big-Eyed Bug

A small, broad-headed true bug named for its noticeably large, bulging compound eyes, the big-eyed bug is a beneficial predator that patrols low vegetation and soil surfaces for small pest insects.

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Boxelder Bug

Boxelder Bug

A slender black true bug marked with three bold red-orange stripes on its thorax and red wing veins, famous for massing by the hundreds on tree trunks and sun-warmed walls in autumn.

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Assassin Bug

Assassin Bug

A slender, long-legged predatory true bug with a curved, needle-like beak used to ambush and pierce other insects, often patterned in bold orange, black, or red warning colors.

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Elm Seed Bug

Elm Seed Bug

A slim, brownish-orange seed bug that develops on elm seeds and becomes a familiar autumn nuisance as it seeks shelter on sun-warmed walls and window frames.

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Kissing Bug

Kissing Bug

A dark, elongated true bug with a narrow, cone-shaped head and distinctive orange or red markings along the edges of its abdomen, most active at night.

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Cabbage Bug

Cabbage Bug

A small, metallic shield bug patterned in contrasting patches of black with red, white, or yellow, closely tied to cabbage and other brassica crops across Europe and Asia.

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Milkweed Bug

Milkweed Bug

A bold orange-and-black true bug that clusters conspicuously on milkweed seed pods, its warning colours advertising the plant toxins it safely stores from its host.

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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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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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Broad-Headed Bug

Broad-Headed Bug

A slender, dark true bug with a notably wide head, whose nymphs are remarkable ant mimics that scurry among leaf litter before maturing into fliers that resemble small leaf-footed bugs.

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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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Minute Pirate Bug

Minute Pirate Bug

A tiny, black-and-white patterned true bug barely visible without close inspection, the minute pirate bug is a voracious predator of thrips, mites, and insect eggs on flowers and foliage.

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Milkweed Bug (Large Milkweed Bug)

Milkweed Bug (Large Milkweed Bug)

A boldly patterned orange-and-black true bug found clustering on milkweed seed pods, sporting an elongated body with a distinctive black band across the wings.

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Red-Shouldered Bug

Red-Shouldered Bug

A dark, flattened true bug with a bright red-orange collar across its shoulders, often seen clustering beneath goldenrain trees and other soapberry-family hosts.

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Boxelder Bug (Eastern)

Boxelder Bug (Eastern)

A flat, black true bug boldly trimmed in red-orange lines, famous for massing by the hundreds on sun-warmed walls and tree trunks each autumn.

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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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Western Conifer Seed Bug

Western Conifer Seed Bug

A large brown true bug with flattened, leaf-shaped hind legs, native to conifer forests of the western United States but now widespread and notorious for gathering on and inside buildings as cooler weather approaches.

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Soldier Fly Larva

Soldier Fly Larva

Flattened, leathery, and tapered at both ends, the soldier fly larva drifts just beneath the surface film of ponds and marshes, filtering algae and organic debris while breathing through a fringe of water-repellent hairs at its tail.

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Oriental Cockroach

Oriental Cockroach

A dark, matte blackish-brown cockroach with short wings that do not cover the abdomen, especially in females, and a preference for cooler, damper hiding spots than most other common cockroaches.

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Common Earwig

Common Earwig

A flattened, reddish-brown insect instantly recognizable by the pair of pincer-like forceps at the tip of its abdomen, which it uses for defense and to help fold its wings.

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