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.

Water Cricket
Despite its name, the water cricket is not a cricket at all but a compact, velvety true bug that skates over the swirling surfaces of streams and riffles in search of trapped prey.
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Water Scorpion
An elongated, twig-like aquatic true bug with grasping raptorial forelegs and a long, thin breathing tube at the tail end, resembling a slender scorpion as it lies in ambush among submerged plants.
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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.
otherToe-Biter
One of the largest true bugs in the world, the toe-biter is a broad, flattened ambush predator that lies in wait among pond vegetation, seizing prey many times its own size with powerful raptorial front legs.
true-bugLily Leaf Beetle
A brilliant scarlet-red beetle with a jet-black head, legs, and underside that feeds almost exclusively on true lilies and fritillaries, often stripping leaves down to bare stems.
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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.
true-bugPlanthopper
A varied group of sap-feeding true bugs known for their sideways-held wings, jumping ability, and, in some tropical species, exaggerated head projections used for display.
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Water Boatman
A small, streamlined aquatic true bug with oar-like hind legs used for swimming, commonly seen gliding just beneath the surface of ponds and calm freshwater.
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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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Green Stink Bug
A broad, shield-shaped bug in solid bright green with a shell-like appearance, easily disturbed off host plants and known for releasing a pungent odor when handled.
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Marsh Treader
An extremely slender, thread-like true bug that walks slowly and deliberately across the water's surface on stilt-like legs, resembling a tiny floating twig as it hunts among marsh vegetation.
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Redback Spider
A glossy black spider marked with a single bold red stripe down its back, the redback spider is one of Australia's most recognizable cobweb spiders, most often found tucked into dry, sheltered corners around homes and gardens.
spiderCreeping Water Bug
Broad, oval, and flattened like a tiny shield, the creeping water bug crawls methodically through submerged vegetation rather than swimming freely, using its stout, raptorial front legs to seize prey.
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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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Spittlebug
A small hopping true bug best known in its nymph stage, which surrounds itself in a frothy mass of white foam on plant stems, commonly called cuckoo spit.
true-bugRed Paper Wasp
A large, rusty-red paper wasp that builds open, umbrella-shaped nests under eaves and in sheltered structures, often seen hovering near its comb.
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Red Wood Ant
A large woodland ant with a reddish-brown thorax and dark abdomen, famous for building towering dome-shaped mounds of pine needles and twigs in forest clearings.
antPredatory 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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Water Strider
A slender, long-legged true bug famous for skating effortlessly across the surface of ponds and streams using water's surface tension.
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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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Lantern Bug (Peanut-head Bug)
A bizarre rainforest planthopper whose head is drawn out into a huge, hollow, peanut-shaped snout, and whose hindwings flash a pair of large eyespots resembling the face of a small reptile.
true-bugFireflies (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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Brown Marmorated Stink Bug
An invasive, mottled brown stink bug identified by alternating light and dark bands on its antennae and abdomen edges, well known for gathering in large numbers on and inside buildings each fall.
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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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