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.
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
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
Regal Fritillary
A large, showy prairie butterfly with bright orange forewings and dramatically contrasting black hindwings dotted with rows of white and cream spots.
butterflyGiant Leopard Moth Caterpillar
A jet-black, bristly caterpillar that curls into a tight ball to reveal bright red-orange bands between its segments when disturbed.
caterpillar-larva
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
Aphid Midge
A delicate, long-legged midge whose orange larvae are voracious aphid hunters. The aphid midge is a prized natural enemy of aphids in gardens and greenhouses.
fly
Monarch's Milkweed
A boldly orange-and-black true bug that shares milkweed plants with Monarch butterfly caterpillars, often clustering in large groups on seed pods and stems.
true-bug
Bollworm
One of the most economically significant caterpillars in North American agriculture, the bollworm changes color from green to brown to pink across its life and bores into cotton bolls, corn ears, and tomato fruit alike.
caterpillar-larva
Bagrada Bug
A tiny, orange-and-black stink bug with an intricate mottled pattern, notable as a small-bodied specialist pest of cabbage-family plants in warm, dry climates.
true-bug
Squash Beetle
A large, coppery-orange, spotted beetle that resembles an oversized ladybird but, unlike most of its relatives, feeds on squash and pumpkin leaves rather than aphids.
beetle
Question Mark Butterfly
A ragged-edged anglewing butterfly named for the tiny silver question-mark squiggle on its mottled brown underside, with tawny-orange upperwings dotted in black.
butterflyPipevine Swallowtail Caterpillar
A dark, velvety caterpillar studded with fleshy orange-tipped tubercles that feeds exclusively on pipevine, storing its host plant's chemistry for later defense as a butterfly.
caterpillar-larva
Painted Lady Butterfly
A medium-sized orange-and-black butterfly with a mosaic of white-spotted black wingtips, famous as the most widely distributed butterfly on Earth and a long-distance migrant.
butterfly
Halloween Pennant
With broad orange-amber wings banded in dark brown, this dragonfly perches conspicuously atop tall grass stems, swaying like a small flag in the breeze.
dragonfly
Boxelder Bug (Eastern)
A flat, black true bug boldly trimmed in red-orange lines, famous for massing by the hundreds on sun-warmed walls and tree trunks each autumn.
true-bug
Asian Lady Beetle
A highly variable orange-to-red ladybird beetle, often bearing many black spots or none at all, famous for swarming into homes in large numbers during autumn.
beetle
Asian Giant Hornet
The world's largest hornet, an imposing orange-and-black wasp with a wide head and long stinger, best known for raiding honey bee colonies to feed its brood.
wasp
Yellow-spotted Millipede
A striking black millipede lined with bright yellow-orange spots along its flanks, one of the most recognizable invertebrates of the Pacific coast's damp forest floors.
myriapodTarantula Hawk Wasp
A giant metallic-blue wasp with rust-orange wings, the tarantula hawk is one of the largest wasps in the world. Females hunt tarantulas as living food for their single offspring.
wasp
Gulf Fritillary
A vivid orange, long-winged butterfly whose underside gleams with brilliant metallic silver spangles, closely tied to passionflower vines throughout the warmer parts of the Americas.
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
Comma Butterfly
An orange-brown butterfly with distinctively ragged, scalloped wing edges and a small white comma-shaped mark on the underside of the hindwing, resembling a dead leaf when at rest.
butterfly
Giant Leopard Moth
A striking white moth patterned with bold, hollow black rings and dots resembling leopard spots, revealing an iridescent blue-black abdomen marked with orange when its wings part, making it one of the most eye-catching tiger moths in North America.
moth