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.
Mantidfly
A master of mimicry that pairs a praying mantis's raptorial front legs with the delicate, lacy wings of a true net-winged insect.
other
Common Earwig
A flattened, reddish-brown insect instantly recognizable by the pair of pincer-like forceps at the tip of its abdomen, which it uses for defense and to help fold its wings.
other
Anopheles Mosquito
A slim, mottled-winged mosquito best known for the distinctive head-down, tail-up posture it strikes while resting on walls and vegetation.
fly
Moth
A broad group of scale-winged insects related to butterflies, typically nocturnal, with stout, often furry bodies and feathery or thread-like antennae.
mothAlderfly
A small, dusky-winged insect that flutters weakly among streamside alders and shrubs, the diminutive relative of the mighty dobsonfly.
aquatic-insect
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
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
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.
butterflyBiting Midge
A minuscule, gray-winged fly that gathers in dense swarms near wetlands and can slip through window screens unnoticed.
fly
Atlas Moth
One of the largest moths in the world by wing surface area, the Atlas Moth is a giant reddish-brown silkmoth with striking triangular wingtip patches that resemble the heads of snakes.
mothStonefly
A flattened, drab-winged insect whose nymphs are among the most reliable living indicators of pristine, well-oxygenated stream water.
aquatic-insect
Pandora Sphinx Moth
A large, richly mottled sphinx moth in shades of olive-green and dusky pink, with a streamlined body and angular wing markings that provide excellent camouflage against bark and foliage.
moth
Potato Bug
A rounded, boldly striped beetle in cream and black that feeds on potato and other nightshade foliage, easily recognized by the ten black stripes running down its wing covers.
beetle
March Brown Mayfly
A speckled, mottled-winged mayfly whose springtime hatch is prized by anglers, the March Brown emerges from clean, rocky streams and is one of the earlier large mayflies of the season.
aquatic-insect
Drugstore Beetle
A tiny brown beetle with grooved wing covers that once earned its name by burrowing into dried herbs and medicines kept on pharmacy shelves.
beetle
American Rubyspot
A brilliant ruby-red patch at the base of each wing gives this sun-loving damselfly its name, flashing like a spark of color as it perches along fast-flowing rivers.
other
Striped Cucumber Beetle
A small, bright yellow beetle marked with three bold black stripes running the length of its wing covers, a frequent and highly visible visitor to cucumber, squash, and melon plants.
beetle
Mosquito
A slender, long-legged fly with a needle-like proboscis, narrow wings, and a distinctive high-pitched wing hum, most active around dawn, dusk, and in shaded, humid areas.
fly
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
Painted Lady
One of the most widely distributed butterflies on Earth, recognized by its orange-and-black mosaic wings with white-spotted black tips and its habit of long-distance migration across continents.
butterfly
Crane Fly
A long-legged, mosquito-like fly with a slender tan or gray body and a single pair of narrow wings, often seen wobbling clumsily around outdoor lights on summer evenings.
fly
Waved Sphinx Moth
A large gray-brown sphinx moth with fine wavy dark lines across the forewings and a scalloped outer wing margin, closely resembling a piece of weathered tree bark when at rest.
moth
Rove Beetle
A slender, fast-running beetle with unusually short wing covers that leave much of its flexible abdomen exposed, often curling its tail upward like a scorpion when alarmed.
beetle
Rice Weevil
A tiny reddish-brown weevil with a long curved snout and four faint pale spots on its wing covers, commonly found infesting stored rice, wheat, and other grain products.
beetle