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.
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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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.
true-bugShield Bug (Stink Bug)
A broad, shield-shaped true bug that releases a sharp, pungent odour from glands on its body when disturbed, a defence that gives the whole family its common name.
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Bed Bug (Bat Bug)
A small, flat, reddish-brown, wingless true bug that hides in tight seams and crevices by day and feeds on blood at night, closely related to the bat bug, which occupies a similar niche in bat roosts.
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Bed Bug
A small, flat, reddish-brown, wingless insect shaped like an apple seed that hides in mattress seams and bed frames by day and emerges at night to feed.
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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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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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Wheel Bug
A large, gray, armored-looking true bug named for the distinctive cog-like crest rising from its back, one of the biggest and most unmistakable assassin bugs in North America.
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Toad Bug
A squat, warty-looking true bug with bulging eyes and a mottled brown pattern, so named for its uncanny resemblance to a tiny toad as it hops along muddy shorelines.
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Thorn Bug
A tiny treehopper whose greatly enlarged, thorn-shaped pronotum lets it disappear in plain sight among the real thorns of the branches it clusters on.
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Saucer Bug
Flattened and rounded like its namesake, the saucer bug is a stout, oval predator that lurks among pondweed, ambushing small invertebrates and other prey with a piercing beak.
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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.
beetleLace Bug
A tiny, flattened true bug with delicately sculpted, lace-like wings resembling fine netting, the lace bug feeds in colonies on the undersides of leaves, leaving a stippled, bleached pattern on foliage.
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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.
true-bugJune 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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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.
true-bugDamsel Bug
A slender, tan to brown true bug with a narrow head and elongated front legs adapted for grasping, the damsel bug is a common predator patrolling foliage for soft-bodied insects.
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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.
true-bugAmbush Bug
A chunky, irregularly shaped true bug with thickened, raptorial front legs, the ambush bug hides motionless on flowers, blending into the petals while waiting to seize visiting pollinators.
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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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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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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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Squash Bug
A flat-backed, brownish-gray true bug commonly found clustered on the leaves and stems of squash and pumpkin plants, where it feeds by piercing plant tissue.
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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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