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.
Common Housefly
A dull gray fly with four dark stripes on its thorax and large reddish eyes, one of the most widespread insects on Earth thanks to its close association with human food and waste.
fly
Common Wood-Nymph
A large brown grassland butterfly with a bold yellow patch and one or two prominent black eyespots on the forewing, known for its bouncing, low-to-the-ground flight.
butterfly
Common True Katydid
A living leaf that spends its life high in the treetops, the common true katydid is far more often heard than seen, producing the loud, rasping "katy-did, katy-didn't" chorus that fills eastern summer nights.
grasshopper-cricket
Common Water Strider
Skating effortlessly across the surface film of ponds and slow streams, the common water strider rows itself along on hair-fringed legs to ambush insects trapped in the surface tension.
true-bug
Common Clothes Moth
A tiny, plain golden-buff moth that rarely flies far into open light, best known not for its adult form but for its silk-spinning larvae that chew holes in wool, fur, and feathers.
moth
Common Whitetail Dragonfly
A stocky pond-side dragonfly whose mature males sport a broad, chalky white abdomen that flashes conspicuously against boldly banded wings.
dragonflyGreen Lacewing
With delicate pale green wings and glittering golden eyes, the Green Lacewing is a familiar garden insect whose larvae are voracious predators of aphids and other soft-bodied pests.
other
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 House Fly
A dull gray fly with four dark stripes down its back, the house fly is one of the most familiar insects on Earth, following people and their food waste to every continent.
fly
Common House Mosquito
A slender, drab brown mosquito that emerges at dusk from catch basins and forgotten containers to fill neighborhoods with its familiar high-pitched whine.
fly
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
Green Bottle Fly
A brilliantly iridescent, metallic green fly frequently seen basking on sunny surfaces outdoors, easily recognized by its shining emerald body and quick, buzzing flight.
fly
Green Shield Bug
A broad, shield-shaped true bug in solid bright green with a bronzy tinge in autumn, the green shield bug is one of the most commonly encountered stink bugs in European gardens and hedgerows.
true-bug
Green Peach Aphid
A small, pale yellow-green aphid with an exceptionally broad host range, recognized as one of the most widespread and adaptable aphid species found on garden vegetables, ornamentals, and stone fruit trees.
true-bug
Green Lynx Spider
A slender, bright green spider armed with long spiny legs that ambushes insects from flowers and shrubs without spinning a capture web.
spider
Green Drake Mayfly
Famous among anglers for triggering explosive trout feeding frenzies, the Green Drake Mayfly is a large, striking insect whose brief springtime emergence is one of the most anticipated events on many rivers.
aquatic-insect
Green Stink Bug
A broad, shield-shaped bug in solid bright green with a shell-like appearance, easily disturbed off host plants and known for releasing a pungent odor when handled.
true-bug
Green June Beetle
A large, velvety green scarab beetle with bronze edges that flies with a loud buzzing drone on warm summer days, often seen around ripening fruit.
beetle
Southern Green Stink Bug
A large, shield-shaped, solid bright green true bug found on a wide variety of garden and crop plants across warm regions worldwide, recognizable by its broad body and, in some individuals, a row of small pale dots along the shoulders.
true-bug
Great Green Bush Cricket
Europe's largest bush cricket, this brilliant grass-green insect fills warm summer evenings with a loud, sustained buzzing call audible from a considerable distance.
grasshopper-cricket
Eastern Pondhawk
A bold, ground-perching dragonfly whose bright green females and powdery blue males look almost like different species, and which readily preys on other dragonflies.
dragonfly
Locust
A large, powerful grasshopper capable of transforming from a solitary, harmless insect into a densely packed, migrating swarm when populations surge, historically famous for devastating crops across huge regions.
grasshopper-cricket
Cotton Bollworm
A variably colored caterpillar, ranging from green to brown to nearly pink, that burrows into cotton bolls, corn ears, and tomato fruit, feeding concealed inside the very structures it damages.
caterpillar-larva
Gray Hairstreak
A small slate-gray butterfly with thin white lines, an orange-capped black spot near the hindwing tail, and one of the broadest host-plant ranges of any North American butterfly, making it a familiar visitor to gardens and fields alike.
butterfly