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.

Trapdoor Spider
A stocky, burrowing spider that engineers a hinged, camouflaged silk door over its underground tunnel, waiting just inside to snap the lid open and seize passing prey in an ambush lasting a fraction of a second.
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Red-legged Grasshopper
One of the most abundant and widespread grasshoppers in North America, the red-legged grasshopper is easily spotted by its reddish hind shins flashing amid a brown, mottled body.
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Lubber Grasshopper
Heavy-bodied and slow-moving, lubber grasshoppers make up for their poor flying ability with large size, bold coloring, and a lumbering, ground-bound lifestyle.
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Green Lynx Spider
A slender, bright green spider armed with long spiny legs that ambushes insects from flowers and shrubs without spinning a capture web.
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Wandering Spider
A large, fast-moving hunter that forages actively at night across leaf litter and low vegetation instead of relying on a web to catch its meals.
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Six-eyed Sand Spider
A flattened, sand-colored spider that buries itself just beneath the desert surface, ambushing prey while remaining almost invisible against the dunes.
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Woodlouse Spider
A reddish-brown spider with oversized forward-pointing jaws specialized for piercing the armored shells of woodlice, often found lurking under damp stones and mulch.
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Cobweb Spider
A common household spider that spins a messy, three-dimensional tangle of silk in dark corners and drags entangled insects up into the maze to feed.
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Cellar Spider
A pale, long-legged spider that builds loose, irregular webs in dark corners and is famous for rapidly vibrating in its web when disturbed, causing it to blur into an indistinct shape.
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Painted Grasshopper
A large, boldly striped grasshopper of South Asia whose vivid green, yellow, and black pattern warns predators that it has fed on toxic milkweed plants.
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Diving Bell Spider
The world's only truly aquatic spider, famous for spinning an underwater silk bell that it fills with air, allowing it to live, hunt, and breed almost entirely submerged.
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Brown Widow Spider
Named for its mottled tan-and-brown coloring rather than glossy black, the brown widow is easily recognized by its distinctive spiky, off-white egg sacs and an orange hourglass on its underside.
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Ant-mimic Spider
A slender jumping spider that walks on six legs while waving the front pair like antennae, convincingly passing itself off as an ant to fool predators and prey alike.
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Ogre-faced Spider
A twig-like nocturnal spider with enormous, light-gathering eyes that weaves a small rectangular net and hurls it over passing prey in a lightning-fast ambush.
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Carolina Grasshopper
Well camouflaged against dusty ground until it bursts into flight, the Carolina grasshopper flashes broad black hindwings edged in pale yellow before dropping back into invisibility.
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Bold Jumping Spider
A stocky, fuzzy black spider with iridescent green or blue mouthparts and a bold white or orange spot on its abdomen, the bold jumper is known for its excellent eyesight, curious behavior, and ability to leap many times its own body length.
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Differential Grasshopper
A large, robust grasshopper with a bold black herringbone pattern etched along its swollen hind legs, the differential grasshopper is one of the biggest and most recognizable pest grasshoppers in North America.
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Wolf Spiderling
A tiny, fast-moving juvenile wolf spider, often seen riding in dozens on its mother's back before dispersing to hunt on its own across open ground.
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Nursery Web Spider
Named for the silken nursery tent females weave to guard their hatching young, this slender, long-legged spider carries her large egg sac beneath her body in her fangs until the eggs are ready to hatch.
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Comb-footed Spider
A diverse family of spiders defined by a row of tiny serrated bristles on their hind legs, used like a comb to fling silk over prey and wrap it up in an instant.
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Blue-winged Grasshopper
A drab, camouflaged grasshopper that startles onlookers with a sudden flash of bright blue hindwings the instant it takes flight.
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Band-winged Grasshopper
A camouflaged grasshopper that flashes vivid yellow, red, or blue hindwings in flight before vanishing again into the dust the instant it lands.
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Two-striped Grasshopper
Easily spotted by the pair of pale cream stripes running the length of its body, the two-striped grasshopper is one of the largest and most economically important grasshoppers in North America.
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Black Widow Spider
A glossy black, globe-bodied spider best known for the red or orange hourglass marking on the underside of the female's rounded abdomen, usually found tucked in a tangled web near ground level.
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