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.

Asian Lady Beetle

Asian Lady Beetle

A highly variable orange-to-red ladybird beetle, often bearing many black spots or none at all, famous for swarming into homes in large numbers during autumn.

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Asian Longhorned Beetle

Asian Longhorned Beetle

A large, glossy black longhorn beetle patterned with irregular white spots and boldly banded blue-white antennae, notable as one of the largest and most eye-catching wood-boring beetles seen in temperate hardwood trees.

beetle
Painted Lady

Painted Lady

One of the most widely distributed butterflies on Earth, recognized by its orange-and-black mosaic wings with white-spotted black tips and its habit of long-distance migration across continents.

butterfly
American Lady

American Lady

A boldly patterned orange-and-black brushfoot butterfly best identified by two large eyespots on its underside hindwing and a distinctive small white spot within the orange field of its forewing.

butterfly
Asian Giant Hornet

Asian Giant Hornet

The world's largest hornet, an imposing orange-and-black wasp with a wide head and long stinger, best known for raiding honey bee colonies to feed its brood.

wasp
Giant Asian Mantis

Giant Asian Mantis

A bulky, leaf-green predator that sits patiently among foliage, its powerful spined forelegs poised to snatch any insect that strays too close.

mantis-stick
Asian Tiger Mosquito

Asian Tiger Mosquito

A small, dark mosquito boldly marked with silvery-white stripes, including one distinctive stripe running straight down the center of its back, that bites readily in broad daylight.

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Old Lady Moth

Old Lady Moth

A large, dusky brown noctuid moth with an intricate, wood-grain-like pattern of dark streaks and pale flecks across broad wings, often found resting motionless in sheds and against tree bark by day.

moth
Painted Lady Caterpillar

Painted Lady Caterpillar

A spiky, mottled caterpillar that spins loose silk webbing over thistle or mallow leaves and hides inside its own protective tent while feeding.

caterpillar-larva
Painted Lady Butterfly

Painted Lady Butterfly

A medium-sized orange-and-black butterfly with a mosaic of white-spotted black wingtips, famous as the most widely distributed butterfly on Earth and a long-distance migrant.

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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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Convergent Ladybird Beetle

Convergent Ladybird Beetle

A common orange-red ladybird with black spots and two distinctive converging white lines on its thorax, widely valued as a natural aphid predator.

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Screech Beetle

Screech Beetle

This small, oval water beetle earns its name from the loud squeak it produces when picked up, a sound made by rubbing internal body parts together rather than by any vocal organ.

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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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Mealworm Beetle

Mealworm Beetle

A shiny, oval, dark reddish-brown to nearly black beetle whose larva, the familiar 'mealworm,' is a common sight in stored grain products.

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Rove Beetle

Rove Beetle

A slender, fast-running beetle with unusually short wing covers that leave much of its flexible abdomen exposed, often curling its tail upward like a scorpion when alarmed.

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Jewel Beetle

Jewel Beetle

A sleek, bullet-shaped beetle wrapped in brilliant iridescent metallic colors — green, copper, blue, or gold — that seem to shift with the angle of light.

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Atlas Beetle

Atlas Beetle

A large, glossy black-to-metallic rhinoceros beetle in which males bear three long curved horns used for combat over food and mates.

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Goliath Beetle

Goliath Beetle

One of the largest and heaviest beetles on Earth, a massive scarab with a bold pattern of black, white, and brown stripes across its shield-like body.

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Whirligig Beetle

Whirligig Beetle

A small, glossy black beetle that spins and darts in rapid circles across the surface film of ponds, often gathered in loose groups, using divided eyes to see both above and below the water at once.

aquatic-insect
Blister Beetle

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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June Beetle

June Beetle

A stout, reddish-brown scarab beetle that emerges in late spring and early summer, famous for clumsily bumping into porch lights and window screens at night.

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Stag Beetle

Stag Beetle

A large, glossy beetle whose males wield oversized, antler-like mandibles resembling a stag's rack of horns, used for wrestling rival males rather than for feeding.

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Carpet Beetle

Carpet Beetle

A tiny, rounded beetle with a mottled scale pattern of white, brown, and yellow, whose bristly larvae are known for feeding on wool, fur, and other dried animal fibers indoors.

beetle