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.
Predatory Stink Bug
Unlike its plant-feeding relatives, the predatory stink bug is a hunter that spears caterpillars and beetle larvae with a stout beak. The spined soldier bug is a familiar shield-shaped garden ally.
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Spined Soldier Bug
A predatory stink bug identified by the sharp, pointed spines projecting from its shoulders, valued in gardens and farm fields for hunting caterpillars, beetle larvae, and other pest insects.
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Metallic Wood-boring Beetle
The North American common name for jewel beetles, emphasizing the wood-tunneling habits of their larvae, which leave telltale flattened, D-shaped exit holes in bark of stressed or dying trees.
beetleRootworm
Working unseen below ground, rootworm larvae chew tunnels through the root systems of corn and other crops, the underground counterpart to the small, often striped or spotted beetles seen on leaves and flowers above.
beetlePine Sawyer Beetle
A large, long-antennaed longhorn beetle of pine and spruce forests, mottled gray-brown to black, that produces a rasping sound when handled and whose larvae tunnel deep into dead or dying conifer wood.
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Bess Beetle
A large, glossy jet-black beetle that lives in family groups inside rotting logs, communicating with fellow beetles through squeaks and cooperating to raise larvae, an unusually social lifestyle for an insect of its kind.
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Squash Vine Borer
A day-flying, wasp-mimicking moth whose orange fuzzy hind legs and metallic wings make it easy to mistake for a wasp as it darts around squash vines.
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Blue-eyed Darner
A large, fast-flying darner with brilliant sky-blue eyes that meet in a seam across the top of the head, patrolling ponds and open fields well into the evening.
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Northern Pearly-eye
A shade-loving brown woodland butterfly with rows of dark, pale-ringed eyespots, more often seen resting on tree trunks in forest gaps than flying in open sun.
butterflyLubber Grasshopper
Heavy-bodied and slow-moving, lubber grasshoppers make up for their poor flying ability with large size, bold coloring, and a lumbering, ground-bound lifestyle.
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Zebra Longwing
A slow-flying, long-winged black butterfly striped boldly with yellow, unusual among butterflies for feeding on pollen as an adult, which extends its lifespan to several months.
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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.
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Emperor Dragonfly
One of Europe's largest and most powerful dragonflies, a fast, high-flying hunter with a bright sky-blue abdomen in males and a commanding, tireless patrol over open water.
dragonflyFirefly
A soft-bodied, dusk-flying beetle famous for the bioluminescent flashes it produces from its abdomen to attract mates on warm summer evenings.
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Red Admiral
A fast-flying, strikingly patterned butterfly with velvety black wings crossed by a bold orange-red band and white-spotted tips, often seen basking on tree trunks or sipping from fallen fruit.
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Flower Chafer Beetle
Often clad in brilliant metallic greens, golds, and bronzes, flower chafers are day-flying scarab beetles that feed on flowers. Many buzz loudly in flight and keep their wing covers closed as they take off.
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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.
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Mourning Cloak
A dark, velvety maroon-brown butterfly edged with a ragged cream-yellow border and a row of iridescent blue spots, notable for overwintering as an adult and often being one of the very first butterflies seen flying in early spring.
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Meadow Fritillary
A small, fast-flying orange-and-black fritillary of open grassy fields, easily told from its larger cousins by its lack of silvery spots on the underside of the hindwing.
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Spider Wasp
A quick, nervous-flying solitary wasp with long spiny legs and constantly flicking wings, recognized for its habit of running across open ground in short bursts while hunting spiders to paralyze and store for its young.
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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.
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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.
dragonflyDigger Bee
A robust, fast-flying, densely furry solitary bee that excavates tunnels in bare or sloped soil, often confused with bumble bees due to its bulky, hairy build and loud buzzing flight.
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Wasp
A slender-waisted, smooth-bodied flying insect typically banded in black and yellow, recognizable by its narrow 'wasp waist' and folded wings, and often social, building paper nests in colonies.
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