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.

Skipper Butterfly
A stocky, fast-darting butterfly with a large head, hooked antennae tips, and thick furry body, intermediate in appearance between butterflies and moths, named for its quick, skipping flight.
butterfly
Red-Shouldered Bug
A dark, flattened true bug with a bright red-orange collar across its shoulders, often seen clustering beneath goldenrain trees and other soapberry-family hosts.
true-bugNursery Web Spider
Named for the silken nursery tent females weave to guard their hatching young, this slender, long-legged spider carries her large egg sac beneath her body in her fangs until the eggs are ready to hatch.
spiderFlat Rock Scorpion
An extraordinarily flattened, long-tailed scorpion that squeezes into paper-thin rock crevices, among the largest scorpions in the world by length.
arachnid
Cloudless Sulphur
A large, bright lemon-yellow butterfly that flies with strong, direct wingbeats and rarely shows any dark markings, giving it an almost uniformly 'cloudless' appearance.
butterfly
Black Widow Spider
A glossy black, globe-bodied spider best known for the red or orange hourglass marking on the underside of the female's rounded abdomen, usually found tucked in a tangled web near ground level.
spider
Jewel Bug
A living gemstone of the insect world, the jewel bug shimmers in dazzling metallic greens, blues, reds, and golds. Its enlarged shield-like back covers the entire body, making it look like a polished piece of enamelware.
true-bug
Achemon Sphinx Moth
A large, streamlined sphinx moth with pinkish-brown forewings marked by darker scalloped patches and rosy pink hindwings edged in black, closely tied to grapevines as a larval host.
moth
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
Spiny Flower Mantis
A small, boldly patterned mantis whose wing markings resemble a pair of eyespots, flashed open in a startling display whenever a predator ventures too close.
mantis-stick
Spotted Lanternfly
A large, strikingly patterned planthopper with gray spotted forewings that flash to reveal crimson hindwings when it leaps or takes flight.
true-bugSmall Tortoiseshell
A vivid orange-red European garden butterfly patterned with black and yellow blocks and a border of blue crescents, one of the most familiar and widely recognized butterflies across its range.
butterfly
Pandora Sphinx Moth
A large, richly mottled sphinx moth in shades of olive-green and dusky pink, with a streamlined body and angular wing markings that provide excellent camouflage against bark and foliage.
moth
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.
dragonflyLanternfly (Spotted Lanternfly)
A strikingly patterned planthopper with grey, spotted forewings that flash to reveal crimson hindwings when it leaps, now notorious as an invasive agricultural pest far from its native range.
true-bug
Emerald Spreadwing
A robust, metallic green damselfly of northern wetlands, the Emerald Spreadwing rests with its wings held open in the characteristic spreadwing posture and thrives in shallow, seasonal ponds.
dragonfly
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.
spiderWater Mite
A brilliantly colored, ball-shaped mite that swims through freshwater ponds and streams using fringed, oar-like legs.
arachnid
Banded Garden Spider
A large orb weaver with a silvery, banded abdomen striped in yellow and black, spinning a distinctive zigzag stabilimentum through the center of its web.
spider
Zebra Jumping Spider
A compact black-and-white striped jumping spider that stalks prey in short, precise leaps across sun-warmed walls and fences.
spider
Yellow Garden Spider
Bold black and yellow markings, a large orb web anchored with a bright zigzag of silk, and a habit of sitting in plain view make the yellow garden spider one of the most eye-catching and recognizable spiders in North American backyards.
spider
Two-Spotted Spider Mite
A near-microscopic mite that spins fine silk webbing over leaves as it feeds, leaving foliage stippled and pale.
arachnid
Striped Bark Scorpion
A slender, tan scorpion marked with two bold dark stripes down its back, often found tucked under bark, rocks, or debris across the central United States.
arachnid
Regal Jumping Spider
One of the largest and most striking North American jumping spiders, with a velvety black body, bold markings, and huge iridescent green or blue-lined eyes.
spider