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.

Grub Worm

Grub Worm

A plump, C-shaped, creamy-white larva with a distinct brown head, living underground where it feeds on grass and plant roots before eventually maturing into a scarab beetle.

beetle
Oriental Cockroach

Oriental Cockroach

A dark, matte blackish-brown cockroach with short wings that do not cover the abdomen, especially in females, and a preference for cooler, damper hiding spots than most other common cockroaches.

other
White Grub

White Grub

A pale, C-shaped larva with a brown head capsule and six stubby legs, spending its entire early life hidden underground feeding on roots before emerging as a stout May or June beetle.

beetle
Fireflies

Fireflies

A soft-bodied beetle famous for producing rhythmic, glowing flashes of light from its abdomen at dusk, used to signal and attract mates across meadows and gardens on warm summer evenings.

beetle
Cockchafer

Cockchafer

A large, reddish-brown scarab beetle with distinctive fan-shaped antennae, famous for its noisy, clumsy evening flights around trees in late spring, giving rise to its alternate name, the May bug.

beetle
Psyllid

Psyllid

A tiny, sap-sucking hopper that resembles a miniature cicada and springs away in a blur when its host leaf is disturbed.

true-bug
Sugar Ant

Sugar Ant

A common name for several large, sugar-loving ants, most famously the black-and-orange banded sugar ant of Australia, known for its persistent nighttime foraging around kitchens and picnics.

ant
Common Wasp

Common Wasp

A black-and-yellow social wasp with a distinct anchor-shaped mark on its face, common around gardens and picnics in late summer as its colony reaches peak size and workers seek out sugary food.

wasp
Firefly

Firefly

A soft-bodied, dusk-flying beetle famous for the bioluminescent flashes it produces from its abdomen to attract mates on warm summer evenings.

beetle
Vine Weevil

Vine Weevil

A slow, flightless, matte-black beetle that hides by day and emerges at night to notch neat semicircular bites from the edges of leaves.

beetle
Boll Weevil

Boll Weevil

A small, grayish-brown snout beetle with a long, curved rostrum, historically famous for its close feeding association with cotton flower buds and bolls.

beetle
Seven-spotted Ladybird

Seven-spotted Ladybird

A classic bright red ladybird with exactly seven black spots, one of the most iconic and widely recognized beetles in the world.

beetle
Emerald Ash Borer

Emerald Ash Borer

A slender, bullet-shaped beetle with brilliant metallic-green coloring, whose bark-tunneling larvae feed almost exclusively within ash trees.

beetle
Two-Spotted Stink Bug

Two-Spotted Stink Bug

A boldly patterned black-and-orange predatory stink bug named for the pair of dark spots on its back, best known for hunting Colorado potato beetle larvae in gardens and fields.

true-bug
Fireflies (Lightning Bug)

Fireflies (Lightning Bug)

A soft-bodied beetle that turns summer evenings magical by flashing rhythmic patterns of cold light from its abdomen to attract mates across meadows and forest edges.

beetle
Small Milkweed Bug

Small Milkweed Bug

A red-and-black seed bug with a distinctive X-shaped pattern on its back, commonly found feeding on milkweed seeds and sap alongside monarch caterpillars.

true-bug
Spined Soldier Bug

Spined Soldier Bug

A predatory stink bug identified by the sharp, pointed spines projecting from its shoulders, valued in gardens and farm fields for hunting caterpillars, beetle larvae, and other pest insects.

true-bug
Cottonwood Borer

Cottonwood Borer

A large, boldly patterned longhorn beetle in black and chalky white checkerboard markings, often found clinging to the trunks of cottonwood and poplar trees near its larvae's root tunnels.

beetle
Planthopper

Planthopper

A varied group of sap-feeding true bugs known for their sideways-held wings, jumping ability, and, in some tropical species, exaggerated head projections used for display.

true-bug
Predatory Stink Bug

Predatory Stink Bug

Unlike its plant-feeding relatives, the predatory stink bug is a hunter that spears caterpillars and beetle larvae with a stout beak. The spined soldier bug is a familiar shield-shaped garden ally.

true-bug
Bordered Plant Bug

Bordered Plant Bug

A dark, oval-bodied true bug with a distinct pale margin around its wing edges, often mistaken for a large ant or beetle when its nymphs cluster together in tight groups.

true-bug
Aphid

Aphid

A tiny, soft-bodied, pear-shaped insect that clusters in dense colonies on plant stems and leaf undersides, feeding on sap through needle-like mouthparts and often coated in sweet honeydew.

true-bug
Treehopper

Treehopper

A small, oddly shaped sap-feeding bug best known for an enlarged, often bizarre pronotum extending backward over its body, sometimes shaped like a thorn, leaf, or spike.

true-bug
Tawny Emperor

Tawny Emperor

A warm orange-brown woodland butterfly, close relative of the Hackberry Emperor, best distinguished by its lack of a forewing eyespot and its habit of feeding on sap and dung rather than flowers.

butterfly