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.

Owlfly

An acrobatic, dragonfly-mimicking predator instantly given away by its long, clubbed antennae, a feature no true dragonfly ever has.

other
Mining Bee

Mining Bee

A furry, solitary ground-nesting bee that emerges in early spring in loose aggregations, often mistaken for a small bumble bee, digging individual burrows marked by small volcano-shaped mounds of soil.

bee

Cicada Killer's Prey Cicada

A large, thick-bodied, clear-winged insect best known for the loud, buzzing chorus males produce from treetops on hot summer afternoons, and a preferred prey item of the cicada killer wasp.

true-bug
Brazilian Wandering Spider

Brazilian Wandering Spider

A fast, ground-dwelling hunter of the South American rainforest floor, the Brazilian wandering spider builds no web at all, instead actively roaming at night in search of prey and occasionally turning up in shipments of bananas, which earned it a widely known nickname.

spider
Yellow Fever Mosquito

Yellow Fever Mosquito

A dark mosquito marked with a lyre-shaped pattern of white scales on its thorax, closely tied to human dwellings and the water-filled containers people leave standing around them.

fly
Broad-Headed Bug

Broad-Headed Bug

A slender, dark true bug with a notably wide head, whose nymphs are remarkable ant mimics that scurry among leaf litter before maturing into fliers that resemble small leaf-footed bugs.

true-bug
Luna Moth

Luna Moth

A large, pale lime-green silk moth with long, elegant tails trailing from its hindwings, considered one of the most striking nocturnal insects in North America.

moth
Common House Spider

Common House Spider

Tucked into a messy tangle of silk in a quiet corner, the common house spider is one of the most familiar indoor spiders, quietly picking off flies and other small insects that blunder into its web.

spider
Bark Scorpion

Bark Scorpion

A slender, pale tan scorpion best known for its unusual habit of climbing trees, walls, and rock faces rather than staying on the ground like most scorpions. Its thin build and long, narrow tail set it apart from the stockier, heavy-clawed scorpions found elsewhere.

arachnid

Tailless Whip Scorpion

A flattened, spider-like arachnid with no stinger and no fangs, instead using a pair of long whip-like sensory legs and grasping spiny arms to feel out and seize prey in total darkness.

arachnid
Hobo Spider

Hobo Spider

A fast-running, brown funnel-web spider with a chevron pattern down its abdomen, the hobo spider builds a flat, non-sticky sheet web that narrows into a tunnel retreat where it waits for prey.

spider
Red-spotted Purple

Red-spotted Purple

A large, iridescent blue-black butterfly lacking tails, notable for closely mimicking the unpalatable Pipevine Swallowtail, with rows of red-orange spots visible along the underside wing margins.

butterfly
Oleander Hawk-Moth

Oleander Hawk-Moth

A large, strikingly camouflaged hawk-moth patterned in swirling olive-green, pink, and cream stripes that resemble oleander foliage, with a streamlined, torpedo-shaped body built for fast, hovering flight.

moth
Squash Bug

Squash Bug

A flat-backed, brownish-gray true bug commonly found clustered on the leaves and stems of squash and pumpkin plants, where it feeds by piercing plant tissue.

true-bug
Luna Silkmoth

Luna Silkmoth

A large, pale lime-green silkmoth with long, trailing tails on its hindwings and delicate eyespots, widely regarded as one of the most striking moths in North America.

moth
Grain Moth

Grain Moth

A tiny buff-colored moth whose larvae tunnel invisibly inside individual kernels of stored grain, hollowing them out from within.

moth
Ghost Mantis

Ghost Mantis

A small, angular mantis crowned with a leaf-shaped crest, so thoroughly disguised as a withered leaf that it seems to vanish into dead foliage.

mantis-stick

Termite Swarmer

A dense, short-lived cloud of dark, equal-winged insects pouring from a crack in soil or wood, each one a would-be founder of a brand-new termite colony.

other

Purseweb Spider

A secretive, tube-dwelling spider that spends nearly its entire life hidden inside a silk-lined burrow extension camouflaged with soil and debris on the surface.

spider
Pink Toe Tarantula

Pink Toe Tarantula

An agile, tree-dwelling tarantula with a dark velvety body and distinctive pale pink tips on its feet, the pink toe spends nearly its entire life above ground, spinning silk retreats among leaves and bark high in the rainforest canopy.

spider
Fig Wasp

Fig Wasp

A pinhead-sized wasp that spends nearly its entire life inside a fig, forming one of the most tightly co-evolved partnerships in nature as it pollinates the tree in exchange for a place to lay its eggs.

wasp
Desert Locust

Desert Locust

A large, powerful grasshopper capable of forming some of the most extensive and historically devastating insect swarms on Earth, transforming from a solitary desert dweller into a densely packed migrating horde under the right conditions.

grasshopper-cricket
Redback Spider

Redback Spider

A glossy black spider marked with a single bold red stripe down its back, the redback spider is one of Australia's most recognizable cobweb spiders, most often found tucked into dry, sheltered corners around homes and gardens.

spider
Robber Fly

Robber Fly

A powerfully built, bristly-faced predatory fly that ambushes other flying insects in midair, piercing them with a stout beak-like proboscis.

fly