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.

Red Flour Beetle
A tiny, flattened, rust-red beetle found in stored flour and grain worldwide, capable of flight and closely resembling the confused flour beetle apart from the shape of its antennal club.
beetle
American Carrion Beetle
A broad, flattened black beetle with a striking pale yellow shield behind its head, commonly found on and around small animal carcasses where it feeds alongside fly larvae.
beetle
Pine Sawyer Beetle
A large, long-antennaed longhorn beetle of pine and spruce forests, mottled gray-brown to black, that produces a rasping sound when handled and whose larvae tunnel deep into dead or dying conifer wood.
beetle
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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Lily Leaf Beetle
A brilliant scarlet-red beetle with a jet-black head, legs, and underside that feeds almost exclusively on true lilies and fritillaries, often stripping leaves down to bare stems.
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Net-winged Beetle
A soft-bodied beetle with broad, ridged wing covers patterned in bold orange or red and black bands, whose netlike wing venation and vivid coloring warn potential predators of its unpalatability.
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Great Silver Water Beetle
One of the largest beetles in Europe, the great silver water beetle is a glossy jet-black giant that rows through weedy ponds carrying a silvery film of air trapped beneath its body.
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Ten-lined June Beetle
A large, brown scarab beetle marked with bold white racing stripes down its wing covers, known for its loud buzzing flight and hissing defensive squeak.
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Devil's Coach Horse Beetle
A large, matte-black rove beetle that raises its flexible abdomen up and over its back like a scorpion's tail and gapes its jaws when threatened, one of the biggest and most dramatic rove beetles in Europe.
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Metallic Wood-boring Beetle
The North American common name for jewel beetles, emphasizing the wood-tunneling habits of their larvae, which leave telltale flattened, D-shaped exit holes in bark of stressed or dying trees.
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Diving Beetle Larva (Water Tiger)
Nicknamed the water tiger, the larva of a predaceous diving beetle is an elongated, sickle-jawed hunter that stalks the shallows and seizes prey many times its own size.
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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.
spider
Digger Bee
A robust, fast-flying, densely furry solitary bee that excavates tunnels in bare or sloped soil, often confused with bumble bees due to its bulky, hairy build and loud buzzing flight.
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Cicada Killer Wasp
One of the largest wasps in North America, a robust rust-and-black or yellow-marked digger wasp that excavates burrows in bare soil and specializes in hunting cicadas to provision its underground nest.
wasp
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.
wasp
Sacred Scarab
A stout, matte-black dung beetle famous for rolling balls of dung across the ground with its hind legs, and revered in Ancient Egypt as a symbol of the sun and renewal.
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June Bug
A chunky, reddish-brown to nearly black scarab beetle that bumbles noisily around porch lights on warm late-spring and early-summer evenings.
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Soil Mite
A microscopic, heavily armored mite found by the millions in a single handful of soil, quietly breaking down leaf litter and helping build the fertile ground beneath forests and fields.
arachnid
Ladybug
A small, round, brightly colored beetle with a domed, shiny shell typically red or orange with black spots, one of the most recognizable and beloved beetles found in gardens worldwide.
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Digger Wasp
A solitary, ground-nesting wasp that excavates neat burrows in bare soil and provisions them with paralyzed prey for its young.
wasp
Old House Borer
A grayish-brown to nearly black longhorn beetle whose larvae bore extensively through structural softwood, capable of causing large galleries hidden beneath the wood surface.
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Potato Bug
A rounded, boldly striped beetle in cream and black that feeds on potato and other nightshade foliage, easily recognized by the ten black stripes running down its wing covers.
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Wireworm
Slender, shiny, and armor-hard, the wireworm is the long-lived soil-dwelling larva of a click beetle, spending years underground feeding on seeds, roots, and tubers before ever taking beetle form.
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Locust Borer
A slender black longhorn beetle boldly striped with yellow, closely resembling a wasp, commonly seen visiting goldenrod flowers in autumn near black locust trees.
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