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.
Spotted Lanternfly
A large, strikingly patterned planthopper with gray spotted forewings that flash to reveal crimson hindwings when it leaps or takes flight.
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Small Milkweed Bug
A red-and-black seed bug with a distinctive X-shaped pattern on its back, commonly found feeding on milkweed seeds and sap alongside monarch caterpillars.
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Sphinx Moth
A large, streamlined, fast-flying moth with narrow triangular wings and a robust, tapering body, famous for hovering at flowers at dusk like a hummingbird.
mothShield Bug (Stink Bug)
A broad, shield-shaped true bug that releases a sharp, pungent odour from glands on its body when disturbed, a defence that gives the whole family its common name.
true-bugSoil Centipede
An extremely long, thin, worm-like centipede with dozens of leg pairs that burrows through soil using its elongated body rather than speed to get around.
myriapodSilver-spotted Skipper
A large, chunky brown skipper instantly identified by the bold, translucent silvery-white patch splashed across the underside of each hindwing.
butterfly
Prince Baskettail
One of the largest baskettail dragonflies, the Prince Baskettail is often seen tirelessly patrolling back and forth over water and open fields, rarely pausing to land.
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Moth
A broad group of scale-winged insects related to butterflies, typically nocturnal, with stout, often furry bodies and feathery or thread-like antennae.
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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.
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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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Milkweed Bug (Large Milkweed Bug)
A boldly patterned orange-and-black true bug found clustering on milkweed seed pods, sporting an elongated body with a distinctive black band across the wings.
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Fruit Fly (Vinegar Fly)
A tiny tan fly with bright red eyes that seems to appear from nowhere the moment a piece of fruit begins to overripen or a splash of wine is left uncovered.
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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-bugHorse Fly
A stout, fast-flying fly with large iridescent eyes and a heavy, robust body, known for its persistent, buzzing pursuit of large mammals on warm summer days.
flyFishfly
A smaller, more modestly built cousin of the dobsonfly, often mistaken for its larger relative but lacking the dramatic elongated mandibles of male dobsonflies.
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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.
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Drain Fly
A tiny, fuzzy gray-tan fly with broad, moth-like wings held tent-fashion over its body, often seen resting motionless on bathroom walls near drains.
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Caddisfly
A moth-like insect whose larvae are famous for constructing portable protective cases out of silk and whatever sand, twigs, or debris they can find.
aquatic-insectBlack Swallowtail Caterpillar
A striking green caterpillar banded with black and dotted with yellow spots, famous for the bright orange, forked osmeterium it flicks out when disturbed.
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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.
otherMaggot
A pale, legless, tapering grub that wriggles through rotting food and organic waste, the larval stage of a fly.
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Yellow Jacket
A smooth-bodied, boldly banded black-and-yellow wasp with a narrow waist, often seen hovering aggressively around outdoor food and sugary drinks in late summer.
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Yellow Dung Fly
A golden, densely furred fly whose bright males cluster on fresh cow pats in pastures, competing for mates while ambushing smaller insects drawn to the same spot.
flyStonefly Nymph
A flattened, armored aquatic nymph that clings tightly to rocks in swift, cold streams, serving as one of the most reliable signs of pristine water quality.
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