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.
Common True Katydid
A living leaf that spends its life high in the treetops, the common true katydid is far more often heard than seen, producing the loud, rasping "katy-did, katy-didn't" chorus that fills eastern summer nights.
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Katydid
A leaf-mimicking insect with broad, veined green wings shaped remarkably like foliage, best known for the loud, rhythmic 'katy-did, katy-didn't' chorus males produce on warm summer nights.
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Meadow Katydid
Small, slender, and beautifully camouflaged among grass blades, meadow katydids fill open fields and marsh edges with a soft, buzzy, insect-like ticking that blends into the summer evening background.
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Cone-headed Katydid
A large, grass-colored katydid named for its sharply pointed, cone-shaped head, best known for producing some of the loudest, most sustained buzzing calls of any North American insect.
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Angular-winged Katydid
A leaf-green katydid whose broad, leaf-shaped wings make it nearly invisible among tree foliage until its soft nighttime calls give it away.
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Fork-tailed Bush Katydid
Slimmer and greener than its treetop relatives, the fork-tailed bush katydid lives among shrubs and garden plants, with males identified by the distinctive forked appendages at the tip of the abdomen that give the species its name.
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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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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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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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Great Green Bush Cricket
Europe's largest bush cricket, this brilliant grass-green insect fills warm summer evenings with a loud, sustained buzzing call audible from a considerable distance.
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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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Great Golden Digger Wasp
A large, strikingly two-toned solitary wasp with a golden-haired thorax, reddish-orange midsection, and black-tipped abdomen, often seen digging burrows in bare soil to stock with paralyzed katydids and crickets.
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Hornet
A large, robust social wasp with a reddish-brown and yellow patterned body, notably bigger than yellowjackets, building enclosed papery nests often high in tree cavities or wall voids.
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Armyworm
A striped, greenish-brown caterpillar that gets its name from its habit of migrating in dense, destructive groups across grass and grain fields.
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Scarab Beetle
A broad, often glossy beetle family recognized by its distinctive fan-like clubbed antennae, ranging from tiny dung-rollers to massive horned giants, found on every continent except Antarctica.
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Snout Beetle
A small beetle instantly recognized by its elongated, downward-curving snout, tipped with chewing mouthparts, used to bore into seeds, nuts, stems, or fruit.
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Armyworm Moth
A plain tan to reddish-brown moth whose caterpillars are famous for marching in large groups across fields, stripping grasses and grain crops as they move.
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Red-Shouldered Bug
A dark, flattened true bug with a bright red-orange collar across its shoulders, often seen clustering beneath goldenrain trees and other soapberry-family hosts.
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Mantidfly
A master of mimicry that pairs a praying mantis's raptorial front legs with the delicate, lacy wings of a true net-winged insect.
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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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Boxelder Bug (Eastern)
A flat, black true bug boldly trimmed in red-orange lines, famous for massing by the hundreds on sun-warmed walls and tree trunks each autumn.
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Owlfly
An acrobatic, dragonfly-mimicking predator instantly given away by its long, clubbed antennae, a feature no true dragonfly ever has.
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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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