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.

Speckled Bush Cricket
A tiny, plump, green insect finely dotted with dark speckles, this bush cricket forgoes song almost entirely, communicating instead through nearly silent, ultrasonic clicks.
grasshopper-cricketNo-See-Um
A speck-sized fly so tiny it seems to vanish from sight, yet capable of swarming exposed skin near beaches and marshes at dawn and dusk.
fly
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.
spiderThrips
A minuscule, slender insect with fringed, feather-like wings, often noticed only as a fast-moving dark speck darting across a flower petal or windowsill.
other
Black Fly Larva
Anchored to submerged rocks in fast-flowing streams by a silken thread, the black fly larva bends into the current and combs the water for drifting particles with a pair of delicate, fan-shaped feeding brushes.
aquatic-insect
Clover Mite
A speck-sized reddish mite that streaks a rust-colored stain if crushed and invades homes by the hundreds when lawns dry out or turn cold.
arachnid
Trichogramma Wasp
Barely larger than a speck of dust, the trichogramma wasp is one of the tiniest insects known. These minute parasitoids lay their eggs inside the eggs of moths and butterflies.
waspGolden 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.
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.
arachnidPsyllid
A tiny, sap-sucking hopper that resembles a miniature cicada and springs away in a blur when its host leaf is disturbed.
true-bug
Cigarette Beetle
A tiny, reddish-brown, humpbacked beetle that rides along in stored dried herbs, spices, and tobacco wherever it hitches a ride.
beetle
Blacklegged Tick
A tiny, teardrop-shaped tick with dark legs and a reddish-brown abdomen that lurks in leaf litter along woodland trails.
arachnid
Peck's Skipper
A tiny, tawny-orange and brown skipper with a bold, irregular yellow patch on the underside of the hindwing that looks almost like a splash of paint.
butterfly
Varied Carpet Beetle
A tiny beetle mottled with white, brown, and yellow scales that, as a fuzzy larva, quietly grazes on natural fibers tucked away in closets and attics.
beetleSpiny 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.
caterpillar-larvaPeacock Spider
A tiny Australian jumping spider whose males unfurl a fan of vivid, iridescent colors and perform an elaborate rhythmic dance to court females.
spider
Pharaoh Ant
A tiny, pale-yellow ant that thrives almost exclusively indoors, forming vast interconnected colonies within the warm voids of heated buildings.
ant
Flour Beetle
A tiny, shiny reddish-brown beetle that infests flour, cereal, and other dry stored foods, often found in dense clustered populations.
beetle
Drugstore Beetle
A tiny brown beetle with grooved wing covers that once earned its name by burrowing into dried herbs and medicines kept on pharmacy shelves.
beetlePygmy Grasshopper
A tiny, ground-hugging grasshopper with an elongated pronotum extending back over its body, often found hopping along muddy pond edges.
grasshopper-cricketMesh 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.
spider
Grain Moth
A tiny buff-colored moth whose larvae tunnel invisibly inside individual kernels of stored grain, hollowing them out from within.
moth
Chinch Bug
A tiny black-and-white true bug that feeds on grasses, often overlooked individually but capable of forming dense colonies in sunny, dry patches of lawn.
true-bugBark Beetle
A tiny, cylindrical, dark-bodied beetle that tunnels beneath tree bark, leaving distinctive branching gallery patterns as the clearest sign of its presence.
beetle