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.

Dog-Day Cicada

Dog-Day Cicada

A stout, thick-bodied cicada with mottled green and brown camouflage patterning, named for its loud droning calls heard during the hot "dog days" of late summer.

true-bug
Emerald Spreadwing

Emerald Spreadwing

A robust, metallic green damselfly of northern wetlands, the Emerald Spreadwing rests with its wings held open in the characteristic spreadwing posture and thrives in shallow, seasonal ponds.

dragonfly
Common Spreadwing

Common Spreadwing

True to its family name, the Common Spreadwing perches with its wings held out at an angle rather than folded together, setting it apart from most other damselflies.

dragonfly
Northern Mole Cricket

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.

grasshopper-cricket
Drain Fly

Drain Fly

A tiny, fuzzy gray-tan fly with broad, moth-like wings held tent-fashion over its body, often seen resting motionless on bathroom walls near drains.

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Dragonfly

Dragonfly

A large, agile aerial predator with an elongated body, enormous compound eyes, and two pairs of strong wings held straight out to the sides at rest, often seen patrolling over water in search of prey.

dragonfly
Common True Katydid

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.

grasshopper-cricket
Bush Cricket

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.

grasshopper-cricket
Sydney Funnel-web Spider

Sydney Funnel-web Spider

Glossy black and heavily built, with large fangs held ready in front of its face, the Sydney funnel-web spider shelters in a silk-lined burrow in moist, shaded ground across the Sydney region, one of Australia's most distinctive ground-dwelling spiders.

spider
Whip Scorpion

Whip Scorpion

A flattened, spider-like arachnid with a pair of extraordinarily long, whip-thin front legs used to feel out its surroundings in the dark, and large spiny pedipalps held out front like a crab's claws. Despite the name and fearsome appearance, it has no stinger and no fangs.

arachnid
Fruit Fly (Mediterranean)

Fruit Fly (Mediterranean)

A small but strikingly patterned fly with mottled, banded wings held out to the sides in a fan and a body dotted with silvery spots, best known for larvae that tunnel through ripening fruit. Native to sub-Saharan Africa, it has spread with human trade to become one of the most widely recognized fruit-infesting insects in the world.

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