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.
Tube Web Spider
A sleek, cylindrical spider that lives inside a silk-lined tube and dashes out to seize insects that stumble across its radiating trip-lines.
spider
Water Measurer
Thin as a splinter and slow-stepping across the surface film, the water measurer creeps along pond edges spearing tiny prey with its needle-like snout.
true-bug
Saucer Bug
Flattened and rounded like its namesake, the saucer bug is a stout, oval predator that lurks among pondweed, ambushing small invertebrates and other prey with a piercing beak.
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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
European Stag Beetle
Europe's largest beetle, a glossy dark brown insect in which males carry oversized antler-like mandibles used to wrestle rivals, resembling the antlers of a stag.
beetle
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.
spiderCamel 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-cricketWater Boatman Bug
A boat-shaped little swimmer that rows through pond water with oar-like hind legs, grazing on algae rather than hunting other animals.
true-bugThrips
A minuscule, slender insect with fringed, feather-like wings, often noticed only as a fast-moving dark speck darting across a flower petal or windowsill.
otherSoldier Fly
A wasp-mimicking fly with a flattened, often metallic body that spends its larval life quietly breaking down decaying plant matter or aquatic debris.
fly
Northern Walkingstick
A slender, wingless insect so convincingly shaped like a twig that it can rest motionless on a branch just inches from view and go completely unnoticed.
mantis-stick
Long-jawed Orb Weaver
A slender, stick-like spider with oversized jaws that stretches its legs flat along a stem or spins a loose orb web low over water.
spiderMayfly Nymph
A short-lived aquatic grazer with feathery gills along its abdomen, living for months underwater before a brief, spectacular mass emergence as a winged adult.
aquatic-insect
Elephant Hawk-Moth
A strikingly colored olive-green and bright pink hawk moth named for its caterpillar's trunk-like tapered front end and large false eyespots.
moth
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
Diving Bell Spider
The world's only truly aquatic spider, famous for spinning an underwater silk bell that it fills with air, allowing it to live, hunt, and breed almost entirely submerged.
spiderCaterpillar
The soft-bodied, segmented larval stage of butterflies and moths, recognized by its worm-like shape, multiple pairs of stubby legs, and voracious appetite for leaves.
caterpillar-larva
Bed Bug
A small, flat, reddish-brown, wingless insect shaped like an apple seed that hides in mattress seams and bed frames by day and emerges at night to feed.
true-bugBackswimmer
A boat-shaped aquatic true bug that swims upside down using oar-like hind legs, patrolling pond water in search of small prey.
aquatic-insect
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.
beetleTermite Swarmer
A dense, short-lived cloud of dark, equal-winged insects pouring from a crack in soil or wood, each one a would-be founder of a brand-new termite colony.
otherSoil 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
Mealybug
A soft, oval insect coated in a powdery white waxy secretion that gives it a fuzzy, cotton-like appearance, typically found clustered in leaf joints and along stems of houseplants.
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Hickory Horned Devil
An enormous, blue-green caterpillar armed with long, curved orange-red horns tipped in black, giving it a fearsome dragon-like appearance despite being completely harmless.
caterpillar-larva