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.

Comb-footed Spider
A diverse family of spiders defined by a row of tiny serrated bristles on their hind legs, used like a comb to fling silk over prey and wrap it up in an instant.
spider
Hummingbird Clearwing Moth
A robust, olive-and-burgundy day-flying moth with mostly transparent wings that hovers at flowers exactly like a tiny hummingbird, unspooling a long proboscis to sip nectar.
moth
Camel Cricket
A wingless, humpbacked cricket with unusually long legs that gives it a spider-like appearance, often startling people when it turns up in damp basements or crawl spaces.
grasshopper-cricket
Ebony Jewelwing
With entirely jet-black wings and a metallic emerald-green body, the Ebony Jewelwing flutters through streamside shade like a living jewel, its wings flashing in filtered sunlight.
other
Black Saddlebags
A large, nearly all-black dragonfly with a bold dark patch draped across the base of each hindwing, patrolling high over ponds and open ground like a small kite.
dragonfly
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
Ant-mimic Spider
A slender jumping spider that walks on six legs while waving the front pair like antennae, convincingly passing itself off as an ant to fool predators and prey alike.
spider
Book Scorpion
A tiny, flattened arachnid that looks like a scorpion in miniature, minus the tail, scuttling sideways through old paper and dusty corners while hunting even smaller pests.
arachnid
Soil Centipede
An extremely long, thin, worm-like centipede with dozens of leg pairs that burrows through soil using its elongated body rather than speed to get around.
myriapod
Eastern Pondhawk
A bold, ground-perching dragonfly whose bright green females and powdery blue males look almost like different species, and which readily preys on other dragonflies.
dragonfly
Stag Beetle
A large, glossy beetle whose males wield oversized, antler-like mandibles resembling a stag's rack of horns, used for wrestling rival males rather than for feeding.
beetle
Gall Midge
A delicate, mosquito-like fly whose larvae trigger plants to grow strange, often colorful swellings called galls, each species usually tied to one particular host plant.
fly
Spicebush Swallowtail Caterpillar
A bulging-eyed green caterpillar that lives folded inside its own silk-stitched leaf tent, looking every bit like a miniature snake peering out from cover.
caterpillar-larva
Water Scorpion
An elongated, twig-like aquatic true bug with grasping raptorial forelegs and a long, thin breathing tube at the tail end, resembling a slender scorpion as it lies in ambush among submerged plants.
aquatic-insect
Malachite Butterfly
A large tropical butterfly named for the vivid green, mineral-like patches that break up its otherwise dark brown wings, giving it a translucent, stained-glass appearance in flight.
butterfly
American Rubyspot
A brilliant ruby-red patch at the base of each wing gives this sun-loving damselfly its name, flashing like a spark of color as it perches along fast-flowing rivers.
other
Mosquito
A slender, long-legged fly with a needle-like proboscis, narrow wings, and a distinctive high-pitched wing hum, most active around dawn, dusk, and in shaded, humid areas.
fly
Crane Fly Larva
Thick-skinned and worm-like, the crane fly larva, often called a leatherjacket, burrows through wet mud and decaying vegetation at the edges of ponds and streams, breaking down plant material as it grows.
aquatic-insect
Zebra Swallowtail
A sleek, triangular-winged swallowtail striped boldly in black and pale green-white like a zebra, with long tails and red-and-blue accent spots, whose caterpillars feed exclusively on pawpaw trees.
butterfly
Bristly Rose Slug
Despite its caterpillar-like, slug-shaped body covered in fine bristles, this pale green larva is actually the offspring of a small sawfly and feeds on rose leaves by skeletonizing them from the underside.
caterpillar-larva
Sowbug
A slate-gray, oval, armor-plated crustacean that shuffles through damp leaf litter on seven pairs of legs, recognizable by its overlapping segmented shell and pair of trailing tail-like appendages.
other
Whitefringed Beetle
A stout gray-brown weevil named for the pale, fringe-like stripe along the outer edge of its wing covers, whose root-feeding larvae are a recognized issue in pastures and row crops.
beetle
Rove Beetle
A slender, fast-running beetle with unusually short wing covers that leave much of its flexible abdomen exposed, often curling its tail upward like a scorpion when alarmed.
beetle
Lace Bug
A tiny, flattened true bug with delicately sculpted, lace-like wings resembling fine netting, the lace bug feeds in colonies on the undersides of leaves, leaving a stippled, bleached pattern on foliage.
true-bug