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.
Tiger Beetle
A fast, metallic-hued ground beetle with oversized sickle-shaped jaws that sprints and short-flies down open sandy trails in pursuit of tiny prey.
beetle
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
House Spider
A small, round-bodied brown spider with mottled markings that spins tangled, irregular cobwebs in quiet corners, ceilings, and undisturbed indoor spaces.
spider
Convergent Ladybird Beetle
A common orange-red ladybird with black spots and two distinctive converging white lines on its thorax, widely valued as a natural aphid predator.
beetle
Elm Leaf Beetle
A yellow-green leaf beetle with dark side stripes that skeletonizes elm foliage and gathers in large numbers to overwinter in buildings.
beetle
Psyllid
A tiny, sap-sucking hopper that resembles a miniature cicada and springs away in a blur when its host leaf is disturbed.
true-bug
Blacklegged Tick
A tiny, teardrop-shaped tick with dark legs and a reddish-brown abdomen that lurks in leaf litter along woodland trails.
arachnid
Digger Wasp
A solitary, ground-nesting wasp that excavates neat burrows in bare soil and provisions them with paralyzed prey for its young.
wasp
Water 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-bug
Owlfly
An acrobatic, dragonfly-mimicking predator instantly given away by its long, clubbed antennae, a feature no true dragonfly ever has.
other
Spangled Skimmer
Named for the bright white 'spangles' at the base of its wings, the Spangled Skimmer pairs a powder-blue male body with crisp black-and-white wing markings.
dragonfly
Ghost Mantis
A small, angular mantis crowned with a leaf-shaped crest, so thoroughly disguised as a withered leaf that it seems to vanish into dead foliage.
mantis-stick
Biting Midge
A minuscule, gray-winged fly that gathers in dense swarms near wetlands and can slip through window screens unnoticed.
fly
Punkie
An almost invisibly small biting fly that swarms near wetlands at dusk, where only the females take blood meals from animal hosts.
fly
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
Cabbage Looper
A pale green caterpillar with thin white stripes that arches its back into a loop as it inches along cabbage and other garden leaves.
caterpillar-larva
Sod Webworm
A dull, grayish-green caterpillar that hides in silk-lined burrows by day and emerges at night to chew grass blades down to the thatch.
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
Water Mite
A brilliantly colored, ball-shaped mite that swims through freshwater ponds and streams using fringed, oar-like legs.
arachnid
Sun Spider
A fast-running, fiercely built desert arachnid with oversized jaws, often mistaken for a giant spider despite belonging to an entirely different arachnid order.
arachnid
Purseweb Spider
A secretive, tube-dwelling spider that spends nearly its entire life hidden inside a silk-lined burrow extension camouflaged with soil and debris on the surface.
spider
Ogre-faced Spider
A twig-like nocturnal spider with enormous, light-gathering eyes that weaves a small rectangular net and hurls it over passing prey in a lightning-fast ambush.
spider
Barn Spider
A brownish, mottled orb weaver famous as the inspiration for Charlotte's Web, commonly found spinning large nightly webs on barns, porches, and other structures.
spider
Waxworm
A soft, cream-colored grub found tunneling through beeswax comb, the waxworm is the larva of the wax moth and has become a household staple as fishing bait and reptile feed.
caterpillar-larva