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.

Cucumber Beetle

Cucumber Beetle

A small, brightly colored beetle patterned with black spots or stripes on a yellow-green background, commonly seen crawling on the flowers and leaves of cucumber and squash plants.

beetle
Diamondback Moth

Diamondback Moth

A small, slender grey-brown moth named for the pale, diamond-shaped pattern that appears down its back when the wings are folded, best known as a widespread pest of cabbage and other brassica crops.

moth
Brown Recluse Spider

Brown Recluse Spider

A uniformly light-brown spider with a faint violin-shaped marking on its back and only six eyes instead of the usual eight, typically found hiding in dry, undisturbed indoor and outdoor spaces.

spider

Drywood Termite

A termite that lives entirely within the dry wood it feeds on, needing no soil contact at all, and revealing itself mainly through small piles of pellet-like frass pushed from tiny exit holes.

other
Crab Spider

Crab Spider

Perched motionless atop a flower petal, often perfectly matched to its color, the crab spider is a patient ambusher that waits for pollinators to land within reach of its outstretched front legs.

spider
Cuckoo Bee

Cuckoo Bee

A slender, wasp-like bee that lacks pollen-carrying hairs because it never gathers its own pollen, instead sneaking into the nests of other solitary bees to lay eggs that hatch and consume the host's food stores.

bee
Damselfly

Damselfly

A slender, delicate relative of the dragonfly with widely spaced eyes and slim wings that fold together over its back at rest, often seen fluttering weakly among reeds and grasses at the water's edge.

dragonfly
Black Widow Spider

Black Widow Spider

A glossy black, globe-bodied spider best known for the red or orange hourglass marking on the underside of the female's rounded abdomen, usually found tucked in a tangled web near ground level.

spider
Blue Orchard Bee

Blue Orchard Bee

A small, metallic blue-black solitary bee widely valued as an efficient early-spring pollinator of fruit trees, nesting in narrow tunnels and hollow stems rather than building hives.

bee

Yellow Scorpion

A robust, sandy-yellow scorpion of arid regions that spends daylight hours buried or hidden beneath stones, emerging at dusk to hunt.

arachnid

Wandering Spider

A large, fast-moving hunter that forages actively at night across leaf litter and low vegetation instead of relying on a web to catch its meals.

spider

Root Maggot

A small, legless white grub that lives hidden in the soil, tunneling into the roots of cabbage-family vegetables where it feeds unseen.

fly

Mosquito Larva

A wriggling, comma-shaped aquatic larva that hangs from the water's surface to breathe before transforming into a flying adult mosquito.

aquatic-insect
Peck's Skipper

Peck's Skipper

A tiny, tawny-orange and brown skipper with a bold, irregular yellow patch on the underside of the hindwing that looks almost like a splash of paint.

butterfly

Pygmy Grasshopper

A tiny, ground-hugging grasshopper with an elongated pronotum extending back over its body, often found hopping along muddy pond edges.

grasshopper-cricket
Powderpost Beetle

Powderpost Beetle

A small, slender reddish-brown to dark brown beetle whose larvae tunnel through seasoned hardwood, reducing it internally to a fine, powdery frass.

beetle
Sac Spider

Sac Spider

A pale, uniformly colored spider that spins a small silk sac retreat rather than a capture web, often found tucked into rolled leaves or corners of rooms.

spider
Privet Hawk-Moth

Privet Hawk-Moth

The largest resident hawk-moth in much of northern Europe, with streaked brown forewings and a striking abdomen banded in pink and black stripes.

moth

Pirate Spider

A stealthy, spider-eating specialist that sneaks onto another spider's web, plucks the silk to mimic trapped prey, and ambushes the unsuspecting owner.

spider

Mouse Spider

A stout, glossy burrowing spider named for its supposed mouse-like agility, with males often sporting a strikingly colored head and jaws.

spider
Orange-barred Sulphur

Orange-barred Sulphur

One of the largest sulphur butterflies, bright yellow with a bold band of deep orange across the forewing and a solid orange wash on the hindwing in males.

butterfly
Mexican Bean Beetle

Mexican Bean Beetle

A copper-colored, spotted beetle resembling an overgrown ladybird that feeds on bean plant leaves along with its spiny yellow larvae.

beetle
Marbled White

Marbled White

A striking checkerboard butterfly with bold black-and-white wing patterning, despite its name it belongs to the brown butterfly family rather than the whites.

butterfly
Great Blue Skimmer

Great Blue Skimmer

One of North America's largest skimmers, the Great Blue Skimmer's powdery sky-blue body and pale green eyes make it stand out as it cruises woodland pond edges.

dragonfly