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.

Kissing Bug
A dark, elongated true bug with a narrow, cone-shaped head and distinctive orange or red markings along the edges of its abdomen, most active at night.
true-bug
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
Prince Baskettail
One of the largest baskettail dragonflies, the Prince Baskettail is often seen tirelessly patrolling back and forth over water and open fields, rarely pausing to land.
dragonfly
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
Fruit Fly (Vinegar Fly)
A tiny tan fly with bright red eyes that seems to appear from nowhere the moment a piece of fruit begins to overripen or a splash of wine is left uncovered.
fly
Black Vine Weevil
A flightless, all-black snout beetle notorious for notching the edges of leaves at night while its underground larvae feed on plant roots and crowns.
beetle
Grain Moth
A tiny buff-colored moth whose larvae tunnel invisibly inside individual kernels of stored grain, hollowing them out from within.
moth
Comet Moth (Madagascan Moon Moth)
One of the largest and most spectacular silk moths in the world, with pale yellow-to-red wings and extraordinarily long, ribbon-like tails on the hindwings.
moth
Autumn Meadowhawk
One of the last dragonflies still flying as autumn cools, this small pale-legged meadowhawk can be found sunning on trails and pond banks well into November in many areas.
dragonfly
Harvester Ant
A large, industrious desert ant that clears a bare, sunburned disk of ground around its nest entrance while collecting and storing seeds by the thousands.
ant
Blue-winged Grasshopper
A drab, camouflaged grasshopper that startles onlookers with a sudden flash of bright blue hindwings the instant it takes flight.
grasshopper-cricket
Stonefly
A flattened, drab-winged insect whose nymphs are among the most reliable living indicators of pristine, well-oxygenated stream water.
aquatic-insect
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
Privet Hawk-Moth
The largest resident hawk-moth in much of northern Europe, with streaked brown forewings and a striking abdomen banded in pink and black stripes.
moth
Peck's Skipper
A tiny, tawny-orange and brown skipper with a bold, irregular yellow patch on the underside of the hindwing that looks almost like a splash of paint.
butterfly
Vine Weevil
A slow, flightless, matte-black beetle that hides by day and emerges at night to notch neat semicircular bites from the edges of leaves.
beetle
Hercules Beetle
One of the largest beetles in the world, with males bearing dramatic, forceps-like horns nearly as long as the rest of their armored, olive-green body.
beetle
Water Strider
A slender, long-legged true bug famous for skating effortlessly across the surface of ponds and streams using water's surface tension.
aquatic-insect
Orange-barred Sulphur
One of the largest sulphur butterflies, bright yellow with a bold band of deep orange across the forewing and a solid orange wash on the hindwing in males.
butterfly
Asian Tiger Mosquito
A small, dark mosquito boldly marked with silvery-white stripes, including one distinctive stripe running straight down the center of its back, that bites readily in broad daylight.
fly
American Grasshopper
A large, strong-flying grasshopper related to the locusts of the Old World, the American grasshopper can occasionally form dense, damaging aggregations across the southern United States.
grasshopper-cricket
Amazonian Giant Centipede
The largest centipede on the planet, a formidable dark reddish-brown predator from South American rainforests capable of capturing prey as large as bats and small reptiles.
myriapod
Common House Spider
Tucked into a messy tangle of silk in a quiet corner, the common house spider is one of the most familiar indoor spiders, quietly picking off flies and other small insects that blunder into its web.
spider
Orb Weaver Spider
A stout-bodied spider best known for spinning the classic, near-perfect circular "orb" web strung between plants, eaves, or fences, often rebuilt fresh each night.
spider