Bug Identifier

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.

Wolf Spiderling

Wolf Spiderling

A tiny, fast-moving juvenile wolf spider, often seen riding in dozens on its mother's back before dispersing to hunt on its own across open ground.

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Zebra Jumping Spider

Zebra Jumping Spider

A compact black-and-white striped jumping spider that stalks prey in short, precise leaps across sun-warmed walls and fences.

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Jumping Spider

Jumping Spider

A compact, often furry, day-active spider with unusually large forward-facing eyes that give it an alert, curious look, known for stalking prey and pouncing in a sudden leap.

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Bold Jumping Spider

Bold Jumping Spider

A stocky, fuzzy black spider with iridescent green or blue mouthparts and a bold white or orange spot on its abdomen, the bold jumper is known for its excellent eyesight, curious behavior, and ability to leap many times its own body length.

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Regal Jumping Spider

Regal Jumping Spider

One of the largest and most striking North American jumping spiders, with a velvety black body, bold markings, and huge iridescent green or blue-lined eyes.

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Peacock Spider

Peacock Spider

A tiny Australian jumping spider whose males unfurl a fan of vivid, iridescent colors and perform an elaborate rhythmic dance to court females.

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Portia Spider

Portia Spider

A small jumping spider with an outsized reputation for intelligence, famous for stalking and outwitting other spiders using deceptive tactics and apparent problem-solving.

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Harlequin Bug

Harlequin Bug

A shield-shaped stink bug painted in bold black-and-orange (or red-and-yellow) blotches, making it one of the most colorful and easily recognized true bugs on cabbage and other cole crops.

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Ant-mimic Spider

Ant-mimic Spider

A slender jumping spider that walks on six legs while waving the front pair like antennae, convincingly passing itself off as an ant to fool predators and prey alike.

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Wolf Spider

Wolf Spider

A robust, hairy, ground-dwelling spider with excellent night vision and a habit of chasing down prey rather than trapping it in a web; females are often seen carrying an egg sac or a back full of spiderlings.

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Flea Beetle

Flea Beetle

A tiny, shiny beetle that springs away like a flea when disturbed, leaving characteristic small round holes peppered across the leaves it feeds on.

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Psyllid

Psyllid

A tiny, sap-sucking hopper that resembles a miniature cicada and springs away in a blur when its host leaf is disturbed.

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Gypsy Moth Caterpillar

Gypsy Moth Caterpillar

A hairy, mottled gray caterpillar marked with rows of paired blue and red dots down its back, notorious for periodic outbreak years that can strip entire forests bare.

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Small Milkweed Bug

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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Mourning Cloak Caterpillar

Mourning Cloak Caterpillar

A gregarious, velvety black caterpillar speckled with white dots and a striking row of brick-red spots down its back, often seen feeding in clusters on willow branches.

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Redback Spider

Redback Spider

A glossy black spider marked with a single bold red stripe down its back, the redback spider is one of Australia's most recognizable cobweb spiders, most often found tucked into dry, sheltered corners around homes and gardens.

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Northern Black Widow

Northern Black Widow

Slightly more elusive than its southern cousin, the northern black widow shows a row of red spots down its back and a broken, hourglass marking on its belly, and prefers wilder, brushier habitats over buildings.

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Jewel Bug

Jewel Bug

A living gemstone of the insect world, the jewel bug shimmers in dazzling metallic greens, blues, reds, and golds. Its enlarged shield-like back covers the entire body, making it look like a polished piece of enamelware.

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Two-Spotted Spider Mite

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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Spider Mite

Spider Mite

A speck-sized arachnid that spins fine silk webbing across infested leaves as it pierces plant cells for their contents, leaving behind a telltale stippled, bronzed appearance. Populations can explode rapidly in hot, dry weather, making it a familiar garden and greenhouse pest.

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Mouse Spider

Mouse Spider

A stout, glossy burrowing spider named for its supposed mouse-like agility, with males often sporting a strikingly colored head and jaws.

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Grasshopper

Grasshopper

A robust, strong-jumping insect with short antennae and powerful hind legs, commonly seen springing away through grass and low vegetation on warm sunny days.

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Planthopper

Planthopper

A varied group of sap-feeding true bugs known for their sideways-held wings, jumping ability, and, in some tropical species, exaggerated head projections used for display.

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Cricket

Cricket

A dark, round-headed jumping insect best known for the rhythmic chirping song produced by males rubbing their forewings together, often heard rather than seen after dusk.

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