Bug Identifier

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.

Dogbane Beetle

Dogbane Beetle

A small, brilliantly iridescent leaf beetle that shifts between shades of green, gold, blue, and copper depending on the viewing angle, always found on dogbane plants.

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Deathwatch Beetle

Deathwatch Beetle

A small, mottled brown wood-boring beetle famous for the faint ticking sound it makes by tapping its head against wood, historically associated with old timber-framed buildings.

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Blister Beetle

An elongated, soft-bodied beetle with a distinctly narrow neck, often seen feeding in small groups on flowers, and known for releasing a defensive chemical from its leg joints when disturbed.

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Yellow Dung Fly

Yellow Dung Fly

A golden, densely furred fly whose bright males cluster on fresh cow pats in pastures, competing for mates while ambushing smaller insects drawn to the same spot.

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Yellow Fever Mosquito

Yellow Fever Mosquito

A dark mosquito marked with a lyre-shaped pattern of white scales on its thorax, closely tied to human dwellings and the water-filled containers people leave standing around them.

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Asparagus Beetle

Asparagus Beetle

A small, boldly patterned blue-black beetle with cream and orange-red markings that clusters on emerging asparagus spears in spring.

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Dung Beetle

A stout, often glossy black or metallic beetle famous for rolling, burying, or tunneling into animal dung, an unglamorous but ecologically vital habit that recycles nutrients back into the soil.

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Ground Beetle

Ground Beetle

A fast-moving, shiny black or metallic beetle with long legs and prominent jaws, usually found scurrying under rocks and debris where it hunts other small invertebrates.

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Burying Beetle

A black beetle marked with bold orange-red bands, notable for locating small dead animals, burying them underground, and cooperatively raising larvae with a partner over the buried carcass.

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Darkling Beetle

A uniformly dark, matte-black ground beetle often seen walking deliberately across open soil, known for tilting its rear end skyward in a distinctive defensive posture when disturbed.

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Bess Beetle

Bess Beetle

A large, glossy jet-black beetle that lives in family groups inside rotting logs, communicating with fellow beetles through squeaks and cooperating to raise larvae, an unusually social lifestyle for an insect of its kind.

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Bombardier Beetle

A dark, quick-moving ground beetle famous for firing a hot, audible chemical spray from its abdomen when disturbed, using two-tone coloring of a reddish head and thorax against blue-black wing covers as a warning signal.

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Whitefringed Beetle

Whitefringed Beetle

A stout gray-brown weevil named for the pale, fringe-like stripe along the outer edge of its wing covers, whose root-feeding larvae are a recognized issue in pastures and row crops.

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Water Beetle

Water Beetle

A smooth, dark, oval-bodied beetle adapted for swimming, commonly found paddling through ponds and marshes and periodically surfacing to renew a carried air supply.

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Titan Beetle

Titan Beetle

One of the largest insects on Earth, the titan beetle is a colossal longhorn from the Amazon whose body can exceed 16 cm. Its powerful jaws and loud hiss make it an imposing rainforest giant.

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Squash Beetle

Squash Beetle

A large, coppery-orange, spotted beetle that resembles an oversized ladybird but, unlike most of its relatives, feeds on squash and pumpkin leaves rather than aphids.

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Scarab Beetle

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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Powderpost Beetle

Powderpost Beetle

A small, slender reddish-brown to dark brown beetle whose larvae tunnel through seasoned hardwood, reducing it internally to a fine, powdery frass.

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Riffle Beetle

Tiny and unassuming, riffle beetles cling tightly to submerged rocks in swift, clean streams for their entire lives, making them one of the most reliable living indicators of healthy water.

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Rhinoceros Beetle

Rhinoceros Beetle

A massive, heavily armored beetle whose males sport a single large, curved horn projecting forward from the head, used to shove and flip rival males in contests of strength.

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Longhorn Beetle

Longhorn Beetle

A beetle instantly recognizable by antennae often longer than its own body, ranging from small woodland species to large, dramatically patterned tropical and temperate forms.

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Flour Beetle

Flour Beetle

A tiny, shiny reddish-brown beetle that infests flour, cereal, and other dry stored foods, often found in dense clustered populations.

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Hercules Beetle

Hercules Beetle

One of the largest beetles in the world, with males bearing dramatic, forceps-like horns nearly as long as the rest of their armored, olive-green body.

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Firefly Beetle

Firefly Beetle

A soft-bodied, dark beetle famous for producing rhythmic flashes of light from its abdomen at dusk, using bioluminescence to attract mates on warm summer evenings.

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