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.
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.
spiderHouse Spider
A small, round-bodied brown spider with mottled markings that spins tangled, irregular cobwebs in quiet corners, ceilings, and undisturbed indoor spaces.
spider
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
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.
true-bugWall Spider
A tiny, flattened spider that spins a small disc-shaped web hugging the surface of a wall and darts sideways in a quick, erratic dash when disturbed.
spider
Snout Beetle
A small beetle instantly recognized by its elongated, downward-curving snout, tipped with chewing mouthparts, used to bore into seeds, nuts, stems, or fruit.
beetle
Ruby Meadowhawk
A small, brilliant-red dragonfly of late summer meadows, so intensely colored that mature males seem to glow when perched low in the grass.
dragonfly
Horn Fly
A tiny, dark fly that clusters in dense patches on the backs and shoulders of grazing cattle, using piercing mouthparts to take frequent small blood meals.
fly
Indianmeal Moth
A small moth with two-toned, coppery-and-gray wings whose caterpillars spin silken webbing through stored grain, cereal, and dried fruit.
moth
Boll Weevil
A small, grayish-brown snout beetle with a long, curved rostrum, historically famous for its close feeding association with cotton flower buds and bolls.
beetle
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.
dragonflyBackswimmer
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
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-bugWater Penny Beetle
A flattened, coin-shaped larva that clings almost invisibly to the surface of submerged stream rocks, named for its uncanny resemblance to a small penny.
aquatic-insect
Portia Spider
A small jumping spider with an outsized reputation for intelligence, famous for stalking and outwitting other spiders using deceptive tactics and apparent problem-solving.
spider
Black Fly
A small, humpbacked black fly with clear wings that gathers in persistent swarms near flowing streams, favoring exposed skin around the head.
flyFungus Gnat
A small, dark, mosquito-like fly with long legs and delicate smoky wings, often seen weakly fluttering around houseplants or crawling across damp potting soil.
fly
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
Little Wood-Satyr
A small, weak-flying brown butterfly with two prominent yellow-ringed eyespots on each wing, common along shaded woodland edges in late spring.
butterfly
Fiery Skipper
A small, fast, orange-and-black skipper often seen zipping low over lawns and gardens, with jagged black wing borders that resemble scorched edges.
butterfly
Dogbane Beetle
A small, brilliantly iridescent leaf beetle that shifts between shades of green, gold, blue, and copper depending on the viewing angle, always found on dogbane plants.
beetle
Cucumber Beetle
A small, brightly colored beetle patterned with black spots or stripes on a yellow-green background, commonly seen crawling on the flowers and leaves of cucumber and squash plants.
beetle
Common Blue
A small, sun-loving butterfly whose males flash brilliant violet-blue wings while females wear warm brown with a scattering of orange spots.
butterflyDamselfly Nymph
A slender aquatic predator with three feathery tail gills, patiently stalking small prey among pond plants before emerging as a delicate flying damselfly.
aquatic-insect