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.
Mesh Web Weaver
A tiny, easily overlooked spider that spins a loose, bluish tangle of fuzzy silk over twig tips and seed heads to snare small insects.
spider
Asparagus Beetle
A small, boldly patterned blue-black beetle with cream and orange-red markings that clusters on emerging asparagus spears in spring.
beetle
House Ant
A small, dark brown to black ant that forages in loose trails along countertops and baseboards and releases a distinctive rotten-coconut smell when crushed.
ant
Aedes Mosquito
A boldly patterned, day-active mosquito genus known for its black-and-white striped legs and habit of breeding in the smallest pockets of water.
fly
Wall 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
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
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.
butterfly
Virginia Tiger Moth
An almost pure-white, fluffy tiger moth with a few small black dots on the wings and body, whose caterpillar is the familiar pale yellow "yellow woolly bear."
moth
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
Root Maggot
A small, legless white grub that lives hidden in the soil, tunneling into the roots of cabbage-family vegetables where it feeds unseen.
fly
Casemaking Clothes Moth
A small mottled moth whose larva builds a tiny portable silk case, dragging its own protective shelter along as it grazes on wool and fur.
moth
Sac Spider
A pale, uniformly colored spider that spins a small silk sac retreat rather than a capture web, often found tucked into rolled leaves or corners of rooms.
spider
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
Fire Ant
A small reddish-brown ant that builds loose, crater-less dirt mounds in sunny open turf and mobilizes large numbers of workers rapidly when the nest is disturbed.
ant
Rosy Maple Moth
A small, plush-looking moth in candy-pink and lemon-yellow, often described as one of the most vividly colored moths in North America despite its modest size.
moth
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
Acorn Weevil
A small brown weevil with an extraordinarily long, thread-thin snout, often longer than its own body, which it uses to drill into developing acorns before laying its eggs inside.
beetle
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
Spittlebug
A small hopping true bug best known in its nymph stage, which surrounds itself in a frothy mass of white foam on plant stems, commonly called cuckoo spit.
true-bug
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
Bark Louse
A small, soft-bodied insect often seen in dense, moving herds on tree trunks, the bark louse grazes on algae, lichen, and fungal residue coating bark surfaces.
other
Fishfly
A smaller, more modestly built cousin of the dobsonfly, often mistaken for its larger relative but lacking the dramatic elongated mandibles of male dobsonflies.
aquatic-insect
Soldier Beetle
A slender, soft-bodied beetle in orange and black or yellow and brown, often seen clustered on late-summer flowers where it feeds on pollen, nectar, and small insects.
beetle
Sleepy Orange
A small, deep orange sulphur butterfly with dark wing borders and a low, wandering flight, named for a faint dark mark that suggests a half-closed, sleepy eye.
butterfly