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.

Soldier Fly

A wasp-mimicking fly with a flattened, often metallic body that spends its larval life quietly breaking down decaying plant matter or aquatic debris.

fly

Pipevine Swallowtail Caterpillar

A dark, velvety caterpillar studded with fleshy orange-tipped tubercles that feeds exclusively on pipevine, storing its host plant's chemistry for later defense as a butterfly.

caterpillar-larva
Painted Grasshopper

Painted Grasshopper

A large, boldly striped grasshopper of South Asia whose vivid green, yellow, and black pattern warns predators that it has fed on toxic milkweed plants.

grasshopper-cricket
Cabbage White

Cabbage White

A common, small white butterfly with one or two black wing spots, whose green caterpillars are a familiar sight feeding on cabbage-family garden plants.

butterfly

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
Cinnabar Moth

Cinnabar Moth

A striking black-and-red day-flying moth whose boldly banded orange-and-black caterpillars feed conspicuously on ragwort, sequestering plant compounds as a chemical defense advertised by their vivid warning colors.

moth
Tobacco Hornworm

Tobacco Hornworm

A large, chunky green caterpillar with diagonal white stripes and a curved red-orange horn at its tail end, often found stripping tomato and tobacco plants.

caterpillar-larva

Sawfly

A wasp relative that never stings, best known for its caterpillar-like larvae that strip leaves from roses, pines, and other garden plants in tidy rows.

wasp
Japanese Beetle

Japanese Beetle

A small, iridescent beetle with a metallic green head and thorax and coppery-bronze wing covers, notorious for skeletonizing the leaves of roses, grapevines, and hundreds of other garden plants.

beetle
Bluet Damselfly

Bluet Damselfly

Small and delicate, bluet damselflies flash brilliant blue and black along the vegetated edges of ponds and lakes, forming mating pairs that fly in tandem while laying eggs directly into plant stems underwater.

dragonfly
Tomato Hornworm

Tomato Hornworm

A large, thick green caterpillar with diagonal white stripes and a distinctive curved horn at its tail end, often found stripping leaves from tomato plants in gardens.

caterpillar-larva
Rosy Apple Aphid

Rosy Apple Aphid

A small, dusty pink to purplish-gray aphid that clusters on apple foliage in spring, causing distinctive curled, reddened leaves that make its presence easy to spot even before the insects themselves are seen.

true-bug
West Virginia White

West Virginia White

A delicate, pure-white spring butterfly of eastern hardwood forests with faint gray veining on the underside, flying only for a few weeks each year before its short-lived toothwort host plants fade.

butterfly

Field Ant

A large, common outdoor ant that builds conspicuous mound nests of soil and plant debris in sunny open ground and defends itself by spraying formic acid rather than stinging.

ant

Gypsy Cutworm Moth

A plain, mottled grey-brown night-flying moth whose stout, soil-dwelling larvae are known as cutworms for their habit of severing young plant stems near ground level.

moth
Tobacco Hornworm Moth (Carolina Sphinx)

Tobacco Hornworm Moth (Carolina Sphinx)

A large, streamlined gray-brown sphinx moth with six pairs of orange spots along its abdomen, best known as the adult stage of the tobacco hornworm caterpillar that feeds on tomato and tobacco plants.

moth

Crane Fly Larva

Thick-skinned and worm-like, the crane fly larva, often called a leatherjacket, burrows through wet mud and decaying vegetation at the edges of ponds and streams, breaking down plant material as it grows.

aquatic-insect
Wool Carder Bee

Wool Carder Bee

A stocky, yellow-and-black solitary bee named for its habit of scraping soft plant fibers from fuzzy leaves to line its nest, with territorial males that aggressively patrol and defend flower patches.

bee
Fork-tailed Bush Katydid

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.

grasshopper-cricket
Gray Hairstreak

Gray Hairstreak

A small slate-gray butterfly with thin white lines, an orange-capped black spot near the hindwing tail, and one of the broadest host-plant ranges of any North American butterfly, making it a familiar visitor to gardens and fields alike.

butterfly
Bagworm Moth

Bagworm Moth

A moth best known for its larva's habit of constructing and living inside a spindle-shaped case of silk and plant debris that hangs from twigs, with adult males a plain sooty-winged moth and females remaining wingless and grub-like inside the bag for life.

moth
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
Soldier Beetle

Soldier Beetle

A slender, soft-bodied beetle in orange and black or yellow and brown, often seen clustered on late-summer flowers where it feeds on pollen, nectar, and small insects.

beetle

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