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.

House Cricket
A pale tan, dark-banded cricket originally from warm regions of Asia that has spread worldwide both as an occasional indoor nuisance and as a widely farmed feeder insect.
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Cricket
A dark, round-headed jumping insect best known for the rhythmic chirping song produced by males rubbing their forewings together, often heard rather than seen after dusk.
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House Centipede
A fast, wiry arthropod with 15 pairs of extremely long, banded legs that make it look far bigger than its actual body size, often seen darting across bathroom or basement floors at night.
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Cave Cricket
Humpbacked and wingless with absurdly long legs and antennae, this pale, silent insect thrives in the total darkness of caves, basements, and damp crawl spaces.
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Mormon Cricket
A hefty, flightless katydid whose swarms can stretch for miles across western rangelands, marching en masse in search of food and mates.
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Jerusalem Cricket
A large, wingless, ground-dwelling insect with a shiny amber body, a strikingly human-like face, and a robust, banded abdomen, most often uncovered while digging in soil.
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Odorous House Ant
A dark, unassuming ant best known for releasing a smell reminiscent of rotten coconut when a worker is crushed.
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Bush Cricket
Known by its long, thread-like antennae and evening chorus of chirps, this leaf-colored insect spends its life hidden among grass and foliage, often heard far more often than seen.
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Camel Cricket
A wingless, humpbacked cricket with unusually long legs that gives it a spider-like appearance, often startling people when it turns up in damp basements or crawl spaces.
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Field Cricket
A stout, dark cricket whose loud, rhythmic chirping is one of the most familiar summer and fall night sounds in fields and lawns across much of the world.
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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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Mole Cricket
A stout, velvety brown cricket relative with broad, shovel-like front legs adapted for digging, spending most of its life burrowing just beneath the surface of moist soil.
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Spotted Camel Cricket
A wingless, humpbacked cricket relative with mottled markings and enormous hind legs, more often found lurking in damp basements and cellars than singing in a meadow.
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Northern Mole Cricket
A stout, velvety brown cricket with shovel-like front legs built for tunneling through damp soil, more often heard as a low buzzing trill at night than seen above ground.
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Snowy Tree Cricket
Nicknamed the thermometer cricket, this pale, delicate insect sings a steady, rhythmic chirp whose pace rises and falls so predictably with temperature that its chirp rate can be used to estimate the air temperature.
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House Ant
A small, dark brown to black ant that forages in loose trails along countertops and baseboards and releases a distinctive rotten-coconut smell when crushed.
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House Spider
A small, round-bodied brown spider with mottled markings that spins tangled, irregular cobwebs in quiet corners, ceilings, and undisturbed indoor spaces.
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House Fly
A gray, fuzzy-bodied fly with four dark stripes on its thorax and large reddish compound eyes, famous for its erratic buzzing flight and tendency to land repeatedly on food and surfaces.
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Roesel's Bush Cricket
Marked with a pale cream border along its thorax, this compact bush cricket produces a continuous, high-pitched, buzzing song reminiscent of an electrical hum from dense summer grass.
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Speckled Bush Cricket
A tiny, plump, green insect finely dotted with dark speckles, this bush cricket forgoes song almost entirely, communicating instead through nearly silent, ultrasonic clicks.
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Common House Spider
Tucked into a messy tangle of silk in a quiet corner, the common house spider is one of the most familiar indoor spiders, quietly picking off flies and other small insects that blunder into its web.
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Common House Mosquito
A slender, drab brown mosquito that emerges at dusk from catch basins and forgotten containers to fill neighborhoods with its familiar high-pitched whine.
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Old House Borer
A grayish-brown to nearly black longhorn beetle whose larvae bore extensively through structural softwood, capable of causing large galleries hidden beneath the wood surface.
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Common House Fly
A dull gray fly with four dark stripes down its back, the house fly is one of the most familiar insects on Earth, following people and their food waste to every continent.
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