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.

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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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.
spiderGarden 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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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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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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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.
true-bugGolden 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.
spiderSpiny Oak-slug Caterpillar
A tiny, flattened slug-shaped caterpillar in shades of green, orange, or purple, bristling with clusters of branched spines that can deliver a sting if handled.
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Spiny Flower Mantis
A small, boldly patterned mantis whose wing markings resemble a pair of eyespots, flashed open in a startling display whenever a predator ventures too close.
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Marbled Orbweaver
A round-bodied orb weaver with a swollen, marbled orange-and-purple abdomen that builds large, symmetrical webs in damp woodland edges.
spiderCave 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.
spiderBird-dropping Spider
A lumpy, white-and-brown orb-weaver that spends its days motionless on a leaf, looking uncannily like a fresh splash of bird droppings.
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Buck Moth Caterpillar
A dark, spiny caterpillar covered in branched spines that marches across oak-lined sidewalks in dense groups each spring.
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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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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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Banded Garden Spider
A large orb weaver with a silvery, banded abdomen striped in yellow and black, spinning a distinctive zigzag stabilimentum through the center of its web.
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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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Banana Spider
"Banana spider" is a folk name applied inconsistently across the Americas, but in the southeastern United States it most often refers to the large, golden-silked orb weaver commonly seen spanning gaps between trees along shaded trails.
spiderMourning 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.
caterpillar-larvaPredatory 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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Green Lynx Spider
A slender, bright green spider armed with long spiny legs that ambushes insects from flowers and shrubs without spinning a capture web.
spiderPainted Lady Caterpillar
A spiky, mottled caterpillar that spins loose silk webbing over thistle or mallow leaves and hides inside its own protective tent while feeding.
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Giant Prickly Stick Insect
A hefty, spine-covered phasmid that mimics dead leaves and curled bark, and when threatened, arches its abdomen like a scorpion's tail in a dramatic bluff display.
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Water Stick Insect
An extraordinarily twig-like aquatic predator that lies motionless among pond weed, grasping passing prey with spiny raptorial forelegs while breathing through a long tail-like snorkel.
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