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.

Digger Wasp
A solitary, ground-nesting wasp that excavates neat burrows in bare soil and provisions them with paralyzed prey for its young.
waspBiting Midge
A minuscule, gray-winged fly that gathers in dense swarms near wetlands and can slip through window screens unnoticed.
fly
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
Zebra Jumping Spider
A compact black-and-white striped jumping spider that stalks prey in short, precise leaps across sun-warmed walls and fences.
spider
Arizona Bark Scorpion
A slim, pale tan scorpion of the Sonoran Desert that climbs trees, walls, and even ceilings with equal ease thanks to its excellent grip.
arachnid
Sand Fly
A tiny, densely hairy fly that holds its wings erect in a distinctive V-shape and travels in short, silent hops rather than sustained flight.
flySoft Tick
A wrinkled, leathery, bean-shaped tick that hides by day in nests and cracks, emerging briefly at night to feed and then vanish again.
arachnid
Seven-spotted Ladybird
A classic bright red ladybird with exactly seven black spots, one of the most iconic and widely recognized beetles in the world.
beetle
Non-Biting Midge
A mosquito look-alike that gathers by the thousands in swirling mating swarms near lakes and ponds, despite lacking any ability to bite.
flyNo-See-Um
A speck-sized fly so tiny it seems to vanish from sight, yet capable of swarming exposed skin near beaches and marshes at dawn and dusk.
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
Clover Mite
A speck-sized reddish mite that streaks a rust-colored stain if crushed and invades homes by the hundreds when lawns dry out or turn cold.
arachnidBooklice (Psocid)
A tiny, soft-bodied, pale insect barely visible to the naked eye that grazes on mold and mildew in damp books, wallpaper, and stored goods.
other
Armyworm
A striped, greenish-brown caterpillar that gets its name from its habit of migrating in dense, destructive groups across grass and grain fields.
caterpillar-larva
Asparagus Beetle
A small, boldly patterned blue-black beetle with cream and orange-red markings that clusters on emerging asparagus spears in spring.
beetleWandering Spider
A large, fast-moving hunter that forages actively at night across leaf litter and low vegetation instead of relying on a web to catch its meals.
spider
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
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
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
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.
mothPirate Spider
A stealthy, spider-eating specialist that sneaks onto another spider's web, plucks the silk to mimic trapped prey, and ambushes the unsuspecting owner.
spider
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.
butterflyMouse Spider
A stout, glossy burrowing spider named for its supposed mouse-like agility, with males often sporting a strikingly colored head and jaws.
spider
Mormon Cricket
A hefty, flightless katydid whose swarms can stretch for miles across western rangelands, marching en masse in search of food and mates.
grasshopper-cricket