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.

Black Widow Spider
A glossy black, globe-bodied spider best known for the red or orange hourglass marking on the underside of the female's rounded abdomen, usually found tucked in a tangled web near ground level.
spider
Brown Widow Spider
Named for its mottled tan-and-brown coloring rather than glossy black, the brown widow is easily recognized by its distinctive spiky, off-white egg sacs and an orange hourglass on its underside.
spider
Widow Skimmer
A medium-sized dragonfly named for the broad, dark mourning-veil-like patches at the base of its wings, seen perched on shoreline vegetation across much of North America.
dragonfly
Western Black Widow
A glossy, jet-black spider with a bold red hourglass mark on the underside of her round abdomen, the western black widow builds a tangled, irregular web in dark, undisturbed corners of the American West.
spider
Southern Black Widow
Glossy jet-black and marked with a bright red hourglass on the underside of its rounded abdomen, the southern black widow is one of the most recognizable spiders in North America, typically found tucked into quiet, undisturbed corners rather than out in the open.
spider
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.
spider
Cobweb Spider
A common household spider that spins a messy, three-dimensional tangle of silk in dark corners and drags entangled insects up into the maze to feed.
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.
spider
Pirate Spider
A stealthy, spider-eating specialist that sneaks onto another spider's web, plucks the silk to mimic trapped prey, and ambushes the unsuspecting owner.
spider
Trapdoor Spider
A stocky, burrowing spider that engineers a hinged, camouflaged silk door over its underground tunnel, waiting just inside to snap the lid open and seize passing prey in an ambush lasting a fraction of a second.
spider
Fishing Spider
One of the largest spiders in North America, the fishing spider can walk on water, dive beneath the surface to escape danger, and ambush small fish and tadpoles with its front legs from the water's edge.
spider
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.
spider
Huntsman Spider
With legs splayed crab-like to either side of a flattened body, the huntsman spider is built for speed, capable of scuttling sideways across walls and tree trunks in pursuit of prey.
spider
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.
arachnid
Wandering Spider
A large, fast-moving hunter that forages actively at night across leaf litter and low vegetation instead of relying on a web to catch its meals.
spider
Recluse Spider
A pale, unassuming spider recognized by its dark violin-shaped marking and unusual six-eyed arrangement, spending most of its time hidden in quiet, undisturbed corners.
spider
Ground Spider
A dark, fast-moving nocturnal hunter that patrols the ground surface at night, easily recognized by its distinctive pair of forward-projecting silk spinnerets.
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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.
spider
Sac Spider
A pale, uniformly colored spider that spins a small silk sac retreat rather than a capture web, often found tucked into rolled leaves or corners of rooms.
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.
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.
spider
Whip Spider
A flattened, spider-like arachnid with no venom and no silk, using a pair of extremely long, whip-like front legs as sensitive feelers to navigate the dark.
arachnid
Camel Spider
A fast-running desert arachnid, neither a true spider nor scorpion, with enormous jaw-like chelicerae and a reputation exaggerated far beyond its actual behavior.
arachnid
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.
spider