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.
Pill Millipede
A short, heavily armored millipede that rolls into a tight, perfect ball when disturbed, closely resembling a pill bug but built from far fewer, broader body segments.
myriapod
Meadow Spittlebug
A small, mottled hopping true bug whose immature nymphs are far more often noticed than the adults, hidden inside frothy blobs of white foam known as cuckoo spit on plant stems.
true-bug
Gypsy Moth Caterpillar (Spongy Moth)
A bristly, blue-and-red-spotted caterpillar that can strip entire hardwood forests bare during major outbreak years.
caterpillar-larva
Cigarette Beetle
A tiny, reddish-brown, humpbacked beetle that rides along in stored dried herbs, spices, and tobacco wherever it hitches a ride.
beetle
Roseate Skimmer
A vivid pink-violet dragonfly of southern wetlands, the mature male's rose-pruinose body makes it one of the most striking skimmers found around ponds and canals.
dragonfly
Comet Moth (Madagascan Moon Moth)
One of the largest and most spectacular silk moths in the world, with pale yellow-to-red wings and extraordinarily long, ribbon-like tails on the hindwings.
moth
Powderpost Beetle
A small, slender reddish-brown to dark brown beetle whose larvae tunnel through seasoned hardwood, reducing it internally to a fine, powdery frass.
beetle
Amazonian Giant Centipede
The largest centipede on the planet, a formidable dark reddish-brown predator from South American rainforests capable of capturing prey as large as bats and small reptiles.
myriapod
Fruit Fly
A tiny tan fly with prominent red eyes that swarms around overripe fruit, wine, and vinegar, appearing seemingly out of nowhere thanks to an extremely fast life cycle.
fly
Furniture Beetle
A tiny, reddish-brown to dark brown cylindrical beetle whose larvae, commonly called 'woodworm,' bore small round tunnels through seasoned furniture and timber.
beetle
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
Gypsy Moth Caterpillar
A hairy, mottled gray caterpillar marked with rows of paired blue and red dots down its back, notorious for periodic outbreak years that can strip entire forests bare.
caterpillar-larva
Poplar Hawk-Moth
A large, grayish-brown hawk-moth with an unusual resting posture in which the hindwings project forward past the forewings, revealing a hidden rust-red patch when disturbed.
moth
Peacock Butterfly
A richly colored reddish-brown European butterfly named for the four large blue-black eyespots on its wings, which resemble the eye-like markings on a peacock's tail feathers.
butterfly
Woodlouse Spider
A reddish-brown spider with oversized forward-pointing jaws specialized for piercing the armored shells of woodlice, often found lurking under damp stones and mulch.
spider
Io Moth Caterpillar
A bright lime-green caterpillar bristling with clusters of branching, stinging spines and thin red and white racing stripes along its sides.
caterpillar-larva
Snake Millipede
A slender, glossy, pale millipede that curls into a tight spiral when disturbed and often shows a faint row of reddish spots along its sides.
myriapod
Mealworm Beetle
A shiny, oval, dark reddish-brown to nearly black beetle whose larva, the familiar 'mealworm,' is a common sight in stored grain products.
beetle
Eastern Lubber Grasshopper
One of the largest grasshoppers in North America, the eastern lubber is a slow, flightless giant clad in bold black, yellow, and red that announces its presence rather than hiding from it.
grasshopper-cricket
Ruby Tiger Moth
A small, warm reddish-brown tiger moth with plain rosy-tinted forewings and pink-flushed hindwings dotted with dark spots, often seen resting openly on vegetation in sunny, open habitats.
moth
Spotted Wing Drosophila
A tiny reddish-brown fruit fly, each male marked with a single dark spot near the wingtip, notable for laying eggs in ripening rather than overripe fruit.
fly
Comet Darner
One of North America's largest and fastest dragonflies, blazing across open water with a fiery red abdomen that gives it its cometary name.
dragonfly
Armyworm Moth
A plain tan to reddish-brown moth whose caterpillars are famous for marching in large groups across fields, stripping grasses and grain crops as they move.
moth
Northern Black Widow
Slightly more elusive than its southern cousin, the northern black widow shows a row of red spots down its back and a broken, hourglass marking on its belly, and prefers wilder, brushier habitats over buildings.
spider