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.
Madagascan Sunset Moth
A day-flying moth with iridescent wings that shimmer through bands of green, blue, red, and gold, so vividly colored that it is frequently mistaken for a butterfly despite being a true moth.
moth
Sleepy Orange
A small, deep orange sulphur butterfly with dark wing borders and a low, wandering flight, named for a faint dark mark that suggests a half-closed, sleepy eye.
butterfly
Little Yellow
A tiny, pale lemon-yellow butterfly with a thin, crisp black wing border, fluttering close to the ground in fields and roadsides across the southern and eastern United States.
butterfly
Great Spangled Fritillary
A large, robust orange butterfly with bold black markings above and a striking array of large silvery spangles on a tawny-brown underside, closely tied to woodland violets.
butterfly
Common Ringlet
A small, plain buff-orange satyr butterfly of open grassy places, notable for its understated coloring and Holarctic distribution spanning North America, Europe, and Asia.
butterfly
Checkered White
A white butterfly patterned with irregular gray-black checkered spots, commonly fluttering low over open, sunny, weedy fields across much of North America.
butterfly
American Copper
A small, bright orange-and-black butterfly with fiery copper-colored forewings and dusky gray hindwings edged in orange, commonly seen darting low over weedy fields and vacant lots.
butterfly
Pearl Crescent
A small, orange-and-black checkered butterfly that is one of the most abundant and widespread species in open fields across the continent, easily recognized by its crescent-shaped pale marking on the hindwing underside.
butterfly
Falcate Orangetip
An early-spring white butterfly whose males flash bright orange wingtips, while both sexes show a distinctive hooked (falcate) forewing shape and marbled green underside pattern.
butterfly
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
Clouded Sulphur
A medium-sized pale yellow butterfly with crisp black wing borders, commonly seen fluttering low over clover fields and roadside meadows across North America.
butterfly
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
Trichogramma Wasp
Barely larger than a speck of dust, the trichogramma wasp is one of the tiniest insects known. These minute parasitoids lay their eggs inside the eggs of moths and butterflies.
wasp
Ebony Jewelwing Damselfly
With a metallic emerald body and wings of solid inky black, the ebony jewelwing flutters like a delicate butterfly along shaded forest streams rather than darting like most other damselflies.
dragonfly
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
Northern Pearly-eye
A shade-loving brown woodland butterfly with rows of dark, pale-ringed eyespots, more often seen resting on tree trunks in forest gaps than flying in open sun.
butterfly
Six-spot Burnet Moth
A day-flying moth with glossy black-green forewings marked by six bold red spots and vivid crimson hindwings, a striking warning-colored insect often mistaken for a butterfly as it visits summer wildflowers.
moth
American Lady
A boldly patterned orange-and-black brushfoot butterfly best identified by two large eyespots on its underside hindwing and a distinctive small white spot within the orange field of its forewing.
butterfly
Eastern Tiger Swallowtail
A large, showy yellow-and-black striped swallowtail with elegant tail extensions on the hindwings, one of the most recognizable butterflies of eastern North American woodlands and gardens.
butterfly
Spring Azure
One of the earliest-flying small blue butterflies of spring, with soft pale-blue upperwings, a whitish gray underside dotted with faint dark markings, and no tails on the hindwing.
butterfly
Red Admiral
A fast-flying, strikingly patterned butterfly with velvety black wings crossed by a bold orange-red band and white-spotted tips, often seen basking on tree trunks or sipping from fallen fruit.
butterfly
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.
mothQuestion Mark Caterpillar
A spiny, variably colored caterpillar named for the silver question-mark-shaped mark on the underside of the adult butterfly's wings.
caterpillar-larva
Common Green Darner
A large green-and-blue dragonfly and the official state insect of Washington, best known among dragonfly watchers for an annual migration that spans multiple generations.
dragonfly