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.

Antlion

An insect best known for its larval stage, the doodlebug, which digs a small conical pit trap in loose sand to ambush unwary ants, while the winged adult resembles a slender, delicate damselfly.

other

Trap-Jaw Ant

A large, fast-moving ant with elongated, straight mandibles that snap shut faster than almost any other animal movement, used to strike prey or fling the ant itself out of danger.

ant

Fire Ant Queen

The reproductive powerhouse of a fire ant colony, noticeably larger than the reddish worker ants and equipped with wings before she sheds them to found a new nest.

ant

Acrobat Ant

A small ant named for its habit of raising its distinctive heart-shaped abdomen up over its body like an acrobat when disturbed or alarmed.

ant
Angle Shades Moth

Angle Shades Moth

A common night-flying moth whose forewings fold into a crumpled, tent-like shape that mimics a withered or damaged leaf, marked with bold olive-green and pinkish-brown zigzag bands.

moth
Carpenter Ant

Carpenter Ant

A large, often shiny black ant that excavates smooth tunnels in dead or damp wood for nesting, recognizable by its size, evenly rounded thorax, and elbowed antennae.

ant
Leafcutter Ant

Leafcutter Ant

A highly organized ant famous for marching in long trails while carrying disc-shaped pieces of leaf many times their own size, which they use to cultivate fungus gardens deep underground.

ant
Vietnamese Walking Stick

Vietnamese Walking Stick

A slender tropical stick insect popular in classrooms and terrariums, notable for females that can produce healthy offspring entirely on their own, without ever mating.

mantis-stick

Thrips

A minuscule, slender insect with fringed, feather-like wings, often noticed only as a fast-moving dark speck darting across a flower petal or windowsill.

other
Mason Bee

Mason Bee

A compact, metallic blue-black bee that nests in existing narrow cavities and seals its brood cells with mud, prized as one of the most efficient early-spring pollinators of fruit trees.

bee
Eastern Amberwing

Eastern Amberwing

One of North America's smallest dragonflies, the male Eastern Amberwing glows with solid amber-orange wings and often wags its abdomen in a wasp-like display over floating algae.

dragonfly
Walking Stick

Walking Stick

A remarkably twig-like insect with a long, slender, brown to green body and thin legs, so effective at mimicking a plant stem that it can be nearly invisible while motionless on vegetation.

mantis-stick
Mealybug

Mealybug

A soft, oval insect coated in a powdery white waxy secretion that gives it a fuzzy, cotton-like appearance, typically found clustered in leaf joints and along stems of houseplants.

true-bug

Water Boatman Bug

A boat-shaped little swimmer that rows through pond water with oar-like hind legs, grazing on algae rather than hunting other animals.

true-bug

Soldier Fly Larva

Flattened, leathery, and tapered at both ends, the soldier fly larva drifts just beneath the surface film of ponds and marshes, filtering algae and organic debris while breathing through a fringe of water-repellent hairs at its tail.

aquatic-insect
Blue Bottle Fly

Blue Bottle Fly

A robust fly with a glossy, metallic blue-black body and a loud buzzing flight, commonly seen around outdoor waste and occasionally indoors, easily recognized by its shiny coloring and bristly frame.

fly

Cave Spider

A long-legged orb weaver adapted to the twilight zone of caves, spinning large webs across cavern mouths and dangling its egg sacs from silk threads deep within the darkness.

spider
Giant Swallowtail

Giant Swallowtail

The largest butterfly in North America, a dark brown giant marked with a bold diagonal yellow band and yellow spotting that forms an X-like pattern when the wings are spread.

butterfly

Soil Mite

A microscopic, heavily armored mite found by the millions in a single handful of soil, quietly breaking down leaf litter and helping build the fertile ground beneath forests and fields.

arachnid
Vaporer Moth

Vaporer Moth

A tussock moth with dramatic sexual differences: the male is a small rusty-brown day-flying moth with a white wing spot, while the female is a flightless, wingless gray sac-like insect that never leaves her cocoon.

moth
Mud Wasp

Mud Wasp

A slender, thread-waisted solitary wasp famous for plastering rows of tube-shaped mud cells under eaves and porch ceilings, each one stocked with paralyzed spiders for its larva.

wasp

Water Scavenger Beetle

Rounded and glossy, water scavenger beetles paddle through weedy ponds gathering air with a short antenna rather than a snorkel-like tube, feeding mostly on decaying plant matter and algae.

beetle
Leafcutter Bee

Leafcutter Bee

A stout, dark-bodied bee best known not for how it looks but for the neat, circular or oval notches it cuts from leaves, which it uses to line and seal its nest cells.

bee
Whitefly

Whitefly

A tiny, moth-like white insect that clusters on the undersides of leaves and bursts into a snowy cloud when the plant is disturbed. Despite the name, it is not a true fly but a sap-feeding relative of aphids and scale insects.

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