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 Cucumber Beetle
A small, elongated yellow-green beetle marked with twelve black spots across its wing covers, commonly seen on cucurbit and corn plants throughout the growing season.
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Cucumber Beetle
A small, brightly colored beetle patterned with black spots or stripes on a yellow-green background, commonly seen crawling on the flowers and leaves of cucumber and squash plants.
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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.
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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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Yellow-spotted Millipede
A striking black millipede lined with bright yellow-orange spots along its flanks, one of the most recognizable invertebrates of the Pacific coast's damp forest floors.
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Twelve-spotted Skimmer
A big, boldly patterned skimmer whose wings each carry three chocolate-brown patches, and whose mature males add chalky white flashes between them for a striking black-and-white flicker in flight.
dragonflySpotted Camel Cricket
A wingless, humpbacked cricket relative with mottled markings and enormous hind legs, more often found lurking in damp basements and cellars than singing in a meadow.
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Red-spotted Purple
A large, iridescent blue-black butterfly lacking tails, notable for closely mimicking the unpalatable Pipevine Swallowtail, with rows of red-orange spots visible along the underside wing margins.
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Spotted Wing Drosophila
A tiny reddish-brown fruit fly, each male marked with a single dark spot near the wingtip, notable for laying eggs in ripening rather than overripe fruit.
flySilver-spotted Skipper
A large, chunky brown skipper instantly identified by the bold, translucent silvery-white patch splashed across the underside of each hindwing.
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Seven-spotted Ladybird
A classic bright red ladybird with exactly seven black spots, one of the most iconic and widely recognized beetles in the world.
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Four-spotted Skimmer
A brown, sturdily built dragonfly marked with a single dark spot on each wing, this holarctic species is famous for occasional mass emergences and long-distance swarming flights.
dragonflyLanternfly (Spotted Lanternfly)
A strikingly patterned planthopper with grey, spotted forewings that flash to reveal crimson hindwings when it leaps, now notorious as an invasive agricultural pest far from its native range.
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Two-Spotted Stink Bug
A boldly patterned black-and-orange predatory stink bug named for the pair of dark spots on its back, best known for hunting Colorado potato beetle larvae in gardens and fields.
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Two-Spotted Spider Mite
A near-microscopic mite that spins fine silk webbing over leaves as it feeds, leaving foliage stippled and pale.
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Atlas Beetle
A large, glossy black-to-metallic rhinoceros beetle in which males bear three long curved horns used for combat over food and mates.
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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.
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Stag Beetle
A large, glossy beetle whose males wield oversized, antler-like mandibles resembling a stag's rack of horns, used for wrestling rival males rather than for feeding.
beetleWhirligig Beetle
A small, glossy black beetle that spins and darts in rapid circles across the surface film of ponds, often gathered in loose groups, using divided eyes to see both above and below the water at once.
aquatic-insectTortoise Beetle
A small, flat, disc-shaped beetle whose expanded wing covers and pronotum hide its head and legs almost entirely, giving it the look of a miniature turtle shell crawling across a leaf.
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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.
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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.
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Screech Beetle
This small, oval water beetle earns its name from the loud squeak it produces when picked up, a sound made by rubbing internal body parts together rather than by any vocal organ.
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Snout Beetle
A small beetle instantly recognized by its elongated, downward-curving snout, tipped with chewing mouthparts, used to bore into seeds, nuts, stems, or fruit.
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