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.

Funnel Weaver Spider

Nearly invisible until dew or morning frost outlines it in silver, the funnel weaver's sheet-and-tunnel web is a familiar sight across lawns and gardens, with its owner watching from the safety of a silken tube.

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Barn Spider

Barn Spider

A brownish, mottled orb weaver famous as the inspiration for Charlotte's Web, commonly found spinning large nightly webs on barns, porches, and other structures.

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Common House Spider

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.

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House Spider

A small, round-bodied brown spider with mottled markings that spins tangled, irregular cobwebs in quiet corners, ceilings, and undisturbed indoor spaces.

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Orb Weaver Spider

Orb Weaver Spider

A stout-bodied spider best known for spinning the classic, near-perfect circular "orb" web strung between plants, eaves, or fences, often rebuilt fresh each night.

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Sydney Funnel-web Spider

Sydney Funnel-web Spider

Glossy black and heavily built, with large fangs held ready in front of its face, the Sydney funnel-web spider shelters in a silk-lined burrow in moist, shaded ground across the Sydney region, one of Australia's most distinctive ground-dwelling spiders.

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Garden Orb Weaver Spider

The classic maker of the round, wheel-shaped web, the garden orb weaver hangs head-down at the center of its silken snare. Many sport a cross-like pattern of pale spots on a rounded abdomen.

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Common House Mosquito

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.

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Common House Fly

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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Lace Weaver Spider

A stocky, mottled spider that spins a distinctive bluish, woolly-looking lace-like web across bark and wall crevices to snare passing insects.

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American House Spider

American House Spider

A small, brownish spider with a bulbous, mottled abdomen that spins loose, irregular tangle webs in quiet corners, ceilings, and window frames.

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Golden Silk Orb-Weaver Spider

Famous for spinning enormous webs of shimmering golden silk, the golden silk orb-weaver is a large, long-legged spider of warm climates. Females dwarf the tiny males and hang head-down in their sprawling snares.

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Mesh Web Weaver

A tiny, easily overlooked spider that spins a loose, bluish tangle of fuzzy silk over twig tips and seed heads to snare small insects.

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Long-jawed Orb Weaver

Long-jawed Orb Weaver

A slender, stick-like spider with oversized jaws that stretches its legs flat along a stem or spins a loose orb web low over water.

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Grass Spider

Best known for the shimmering, dew-covered funnel webs that appear across lawns on autumn mornings, grass spiders are swift, striped runners that dash into a silken tunnel the instant prey - or a threat - approaches.

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House Fly

House Fly

A gray, fuzzy-bodied fly with four dark stripes on its thorax and large reddish compound eyes, famous for its erratic buzzing flight and tendency to land repeatedly on food and surfaces.

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Spiny Orb Weaver

Spiny Orb Weaver

A small, hard-shelled orb weaver shaped like a tiny crab, with six sharp spines projecting from a brightly colored abdomen suspended in a neat wheel-shaped web.

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Money Spider

Money Spider

A tiny sheet-weaving spider, often seen drifting through the air on silk threads, traditionally said to bring good luck when it lands on you.

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Common Housefly

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.

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Golden Silk Orb Weaver

Golden Silk Orb Weaver

Suspended in a massive, glinting web strung between trees along a forest trail, the golden silk orb weaver is one of the largest and most striking web-building spiders in the Americas, spinning silk with a distinctive yellow-gold sheen.

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Hobo Spider

Hobo Spider

A fast-running, brown funnel-web spider with a chevron pattern down its abdomen, the hobo spider builds a flat, non-sticky sheet web that narrows into a tunnel retreat where it waits for prey.

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Garden Spider

Garden Spider

A large, strikingly patterned orb weaver with a black-and-yellow abdomen and a bold zigzag band of silk woven into the center of its web, making it one of the most recognizable garden spiders.

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Jorō Spider

Jorō Spider

A large, strikingly colored East Asian orb weaver with yellow-and-blue-gray banding, now spreading rapidly across the southeastern United States and building enormous golden webs.

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Cave Spider

A long-legged orb weaver adapted to the twilight zone of caves, spinning large webs across cavern mouths and dangling its egg sacs from silk threads deep within the darkness.

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