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.

Great Golden Digger Wasp

Great Golden Digger Wasp

A large, strikingly two-toned solitary wasp with a golden-haired thorax, reddish-orange midsection, and black-tipped abdomen, often seen digging burrows in bare soil to stock with paralyzed katydids and crickets.

wasp
Leafhopper

Leafhopper

A small, wedge-shaped insect that darts sideways and springs away in quick hops when disturbed, often brightly striped or patterned and found clinging to the underside of leaves.

true-bug
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
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
Grape Leaffolder Caterpillar

Grape Leaffolder Caterpillar

This small green caterpillar stitches grape leaves together with silk into a rolled shelter, feeding hidden inside its own leafy tube and leaving skeletonized patches behind.

caterpillar-larva
Flea Beetle

Flea Beetle

A tiny, shiny beetle that springs away like a flea when disturbed, leaving characteristic small round holes peppered across the leaves it feeds on.

beetle
Dogbane Beetle

Dogbane Beetle

A small, brilliantly iridescent leaf beetle that shifts between shades of green, gold, blue, and copper depending on the viewing angle, always found on dogbane plants.

beetle
Western Conifer Seed Bug

Western Conifer Seed Bug

A large brown true bug with flattened, leaf-shaped hind legs, native to conifer forests of the western United States but now widespread and notorious for gathering on and inside buildings as cooler weather approaches.

true-bug
Brimstone Butterfly

Brimstone Butterfly

A sulphur-yellow, leaf-shaped butterfly whose folded wings mimic a fresh green leaf so convincingly it is often credited as the origin of the word 'butterfly'.

butterfly
Lappet Moth

Lappet Moth

A large, richly textured moth with deeply scalloped, russet-brown wings that fold into an uncanny dead-leaf silhouette, one of the most convincing leaf mimics among European moths.

moth
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
Pirate Spider

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
Spicebush Swallowtail

Spicebush Swallowtail

A black swallowtail with a blue-green wash across the hindwings and a row of pale spots along the forewing margin, whose caterpillars have famous large false eyespots and mimic the Pipevine Swallowtail as adults.

butterfly
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
Bumblebee Moth

Bumblebee Moth

A fuzzy, day-flying sphinx moth that hovers at flowers like a bee, with mostly clear wings and a black-and-yellow banded body that mimics a bumblebee.

moth
Promethea Moth

Promethea Moth

A medium-sized silk moth showing striking differences between the sexes, with dark, blackish-maroon males that mimic a distasteful swallowtail butterfly in flight and larger, more colorful reddish-brown females marked with pale borders and eyespots.

moth
Giant Prickly Stick Insect

Giant Prickly Stick Insect

A hefty, spine-covered phasmid that mimics dead leaves and curled bark, and when threatened, arches its abdomen like a scorpion's tail in a dramatic bluff display.

mantis-stick
Snowberry Clearwing Moth

Snowberry Clearwing Moth

A day-flying sphinx moth with black-and-yellow banding and mostly transparent wings that closely mimics a bumblebee, hovering at flowers to feed through a long uncoiled proboscis.

moth
Diana Fritillary

Diana Fritillary

A large southern Appalachian fritillary famous for extreme sexual dimorphism — males are burnt-orange and black while females are an iridescent blue-black that mimics a distasteful swallowtail.

butterfly
Pipevine Swallowtail

Pipevine Swallowtail

A striking black swallowtail with iridescent blue-green hindwings and a row of round orange spots beneath, whose toxin-sequestering caterpillars make it a model for several butterfly mimics.

butterfly
Four-spotted Skimmer

Four-spotted Skimmer

A brown, sturdily built dragonfly marked with a single dark spot on each wing, this holarctic species is famous for occasional mass emergences and long-distance swarming flights.

dragonfly
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
Eastern Pondhawk

Eastern Pondhawk

A bold, ground-perching dragonfly whose bright green females and powdery blue males look almost like different species, and which readily preys on other dragonflies.

dragonfly
White Admiral

White Admiral

A large, dark butterfly crossed by a bold white band on both wings, the northern form of the same species that produces the iridescent blue Red-spotted Purple farther south.

butterfly