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.

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
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
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
Great Purple Hairstreak
The largest and most iridescent hairstreak in North America, with brilliant blue-green upperwings, red-orange spots on the body and wing base, and long twin tails, its caterpillars feeding on parasitic mistletoe clumps in host trees.
butterfly
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
Silver-spotted Skipper
A large, chunky brown skipper instantly identified by the bold, translucent silvery-white patch splashed across the underside of each hindwing.
butterfly
Twelve-spotted Skimmer
A big, boldly patterned skimmer whose wings each carry three chocolate-brown patches, and whose mature males add chalky white flashes between them for a striking black-and-white flicker in flight.
dragonfly
Two-Spotted Spider Mite
A near-microscopic mite that spins fine silk webbing over leaves as it feeds, leaving foliage stippled and pale.
arachnid
Red-legged Grasshopper
One of the most abundant and widespread grasshoppers in North America, the red-legged grasshopper is easily spotted by its reddish hind shins flashing amid a brown, mottled body.
grasshopper-cricket
Purple Emperor
A large, elusive woodland butterfly whose males flash an iridescent purple sheen in sunlight, spending most of their time high in the treetop canopy rather than visiting flowers.
butterfly
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
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
Cabbage White
A common, small white butterfly with one or two black wing spots, whose green caterpillars are a familiar sight feeding on cabbage-family garden plants.
butterfly
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
West Virginia White
A delicate, pure-white spring butterfly of eastern hardwood forests with faint gray veining on the underside, flying only for a few weeks each year before its short-lived toothwort host plants fade.
butterfly
Cabbage White Caterpillar
A velvety, bright green caterpillar with a faint yellow stripe down its back, the larval stage of the common white butterfly seen fluttering around vegetable gardens.
caterpillar-larva
White Ermine Moth
A soft, fuzzy white moth speckled with small black dots, resembling the ermine fur trim after which it is named, commonly seen resting on vegetation or attracted to lights on summer nights.
moth
Great Southern White
A crisp white butterfly with contrasting black-and-white checkered wingtips, often seen in large numbers along coastal habitats and open fields of the southern United States.
butterfly
Cabbage White Butterfly
A small, plain white butterfly with one or two black spots on each forewing and dark wingtips, one of the most common and widespread garden butterflies in the world.
butterfly
White-lined Sphinx Moth
A fast, hovering moth often mistaken for a hummingbird as it darts between flowers at dusk, identifiable by the bold cream-colored stripe running across each streamlined brown forewing.
moth
Spider Mite
A speck-sized arachnid that spins fine silk webbing across infested leaves as it pierces plant cells for their contents, leaving behind a telltale stippled, bronzed appearance. Populations can explode rapidly in hot, dry weather, making it a familiar garden and greenhouse pest.
arachnid
Pine Sawyer Beetle
A large, long-antennaed longhorn beetle of pine and spruce forests, mottled gray-brown to black, that produces a rasping sound when handled and whose larvae tunnel deep into dead or dying conifer wood.
beetle
Spotted Lanternfly
A large, strikingly patterned planthopper with gray spotted forewings that flash to reveal crimson hindwings when it leaps or takes flight.
true-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