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.

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
Green Darner Dragonfly
One of the largest and most widespread dragonflies in North America, its green thorax and target-marked face make it unmistakable as it patrols open water on powerful wings.
dragonfly
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
Two-Spotted Spider Mite
A near-microscopic mite that spins fine silk webbing over leaves as it feeds, leaving foliage stippled and pale.
arachnid
Predatory Stink Bug
Unlike its plant-feeding relatives, the predatory stink bug is a hunter that spears caterpillars and beetle larvae with a stout beak. The spined soldier bug is a familiar shield-shaped garden ally.
true-bug
Varied Carpet Beetle
A tiny beetle mottled with white, brown, and yellow scales that, as a fuzzy larva, quietly grazes on natural fibers tucked away in closets and attics.
beetle
Squash Vine Borer
A day-flying, wasp-mimicking moth whose orange fuzzy hind legs and metallic wings make it easy to mistake for a wasp as it darts around squash vines.
moth
Elm Seed Bug
A slim, brownish-orange seed bug that develops on elm seeds and becomes a familiar autumn nuisance as it seeks shelter on sun-warmed walls and window frames.
true-bug
Mourning Cloak Butterfly
A deep maroon-brown butterfly bordered with a cream-yellow band and a row of iridescent blue spots, unusual among butterflies for overwintering as an adult and being one of the first to appear in early spring.
butterfly
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
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
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
Armyworm Moth
A plain tan to reddish-brown moth whose caterpillars are famous for marching in large groups across fields, stripping grasses and grain crops as they move.
moth
Sacred Scarab
A stout, matte-black dung beetle famous for rolling balls of dung across the ground with its hind legs, and revered in Ancient Egypt as a symbol of the sun and renewal.
beetle
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
Tarantula Hawk Wasp
A giant metallic-blue wasp with rust-orange wings, the tarantula hawk is one of the largest wasps in the world. Females hunt tarantulas as living food for their single offspring.
wasp
Great Blue Skimmer
One of North America's largest skimmers, the Great Blue Skimmer's powdery sky-blue body and pale green eyes make it stand out as it cruises woodland pond edges.
dragonfly
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
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
Toad Bug
A squat, warty-looking true bug with bulging eyes and a mottled brown pattern, so named for its uncanny resemblance to a tiny toad as it hops along muddy shorelines.
aquatic-insect
Case-bearing Clothes Moth
A tiny, drab tan moth whose larva constructs and carries a small portable silk case as it feeds on wool, fur, and other keratin-based fibers, making it a recognized fabric pest in homes.
moth
Gall Wasp
A minuscule, rarely seen wasp whose larvae trigger plants, especially oaks, to grow distinctive round or spiky growths called galls that serve as both shelter and food supply.
wasp
Calico Pennant
This small, boldly patterned skimmer flashes red or yellow wing patches and heart-shaped abdominal spots as it flutters low over pond vegetation like a tiny pennant flag.
dragonfly