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.

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
Tiger Beetle
A fast, metallic-hued ground beetle with oversized sickle-shaped jaws that sprints and short-flies down open sandy trails in pursuit of tiny prey.
beetle
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
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
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
Silver-spotted Skipper
A large, chunky brown skipper instantly identified by the bold, translucent silvery-white patch splashed across the underside of each hindwing.
butterfly
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
Field Ant
A large, common outdoor ant that builds conspicuous mound nests of soil and plant debris in sunny open ground and defends itself by spraying formic acid rather than stinging.
ant
Asian Lady Beetle
A highly variable orange-to-red ladybird beetle, often bearing many black spots or none at all, famous for swarming into homes in large numbers during autumn.
beetle
Spring Azure
One of the earliest-flying small blue butterflies of spring, with soft pale-blue upperwings, a whitish gray underside dotted with faint dark markings, and no tails on the hindwing.
butterfly
Itch Mite
A microscopic, rounded mite that spends its entire life cycle within the skin of a mammalian host, invisible without a microscope.
arachnid
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
Common Green Darner
A large green-and-blue dragonfly and the official state insect of Washington, best known among dragonfly watchers for an annual migration that spans multiple generations.
dragonfly
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
Mourning Cloak Caterpillar
A gregarious, velvety black caterpillar speckled with white dots and a striking row of brick-red spots down its back, often seen feeding in clusters on willow branches.
caterpillar-larva
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
Broad-Bodied Chaser
A stout, flat-bodied dragonfly that is often the first to colonise a new garden pond, with males showing a powdery pale blue abdomen and females a warm golden-brown one.
dragonfly
Great Silver Water Beetle
One of the largest beetles in Europe, the great silver water beetle is a glossy jet-black giant that rows through weedy ponds carrying a silvery film of air trapped beneath its body.
beetle
Red-legged Grasshopper
One of the most abundant and widespread grasshoppers in North America, the red-legged grasshopper is easily spotted by its reddish hind shins flashing amid a brown, mottled body.
grasshopper-cricket
Sun Spider
A fast-running, fiercely built desert arachnid with oversized jaws, often mistaken for a giant spider despite belonging to an entirely different arachnid order.
arachnid
Regal Jumping Spider
One of the largest and most striking North American jumping spiders, with a velvety black body, bold markings, and huge iridescent green or blue-lined eyes.
spider
Fragile Forktail
One of North America's smallest and most delicate damselflies, the Fragile Forktail is best known for the pale green exclamation-point mark on top of its thorax.
dragonfly
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
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