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.
Giant Water Bug
A massive, flattened oval true bug with powerful grasping front legs, the giant water bug is North America's largest aquatic insect and an ambush predator lurking just below the surface of still water.
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Toe-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.
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Water Boatman Bug
A boat-shaped little swimmer that rows through pond water with oar-like hind legs, grazing on algae rather than hunting other animals.
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Creeping 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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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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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 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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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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Common Water Strider
Skating effortlessly across the surface film of ponds and slow streams, the common water strider rows itself along on hair-fringed legs to ambush insects trapped in the surface tension.
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Ripple Bug
A tiny, dark true bug that skates across the surface film of calm water, producing the faint ripples that give it its common name as it hunts for small prey trapped at the surface.
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Lesser Water Boatman
A flat-backed, oar-legged true bug that rows through pond water with fringed hind legs, surfacing periodically to trap a silvery bubble of air against its body.
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Great Silver Water Beetle
One of the largest beetles in Europe, the great silver water beetle is a glossy jet-black giant that rows through weedy ponds carrying a silvery film of air trapped beneath its body.
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Predaceous Diving Beetle
A sleek, streamlined beetle built for underwater hunting, carrying its own air supply as it patrols ponds in search of prey.
aquatic-insect
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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Pond Skater
Skimming effortlessly across the surface of still water on long, spindly legs, the pond skater uses ripples to detect struggling insects, which it seizes and pierces with needle-like mouthparts.
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Backswimmer
A boat-shaped aquatic true bug that swims upside down using oar-like hind legs, patrolling pond water in search of small prey.
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Dobsonfly Larva (Hellgrammite)
A large, fierce-looking aquatic larva with strong pinching jaws and fringed side gills, spending years hunting under stream rocks before becoming a giant winged dobsonfly.
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American Cockroach
The largest common house-infesting cockroach, a reddish-brown, glossy insect with long antennae and a pale yellowish band edging the shield behind its head, capable of both fast running and short bursts of flight.
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German Cockroach
A small, fast-moving light brown to tan roach marked with two dark parallel stripes running down its pronotum, most often seen scurrying for cover in warm, moist indoor areas.
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