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.

Case-bearing Clothes Moth

Case-bearing Clothes Moth

A tiny, drab tan moth whose larva constructs and carries a small portable silk case as it feeds on wool, fur, and other keratin-based fibers, making it a recognized fabric pest in homes.

moth

House Dust Mite

A microscopic, translucent mite that lives unseen in household dust, feeding on shed skin flakes accumulated in bedding and furniture.

arachnid

Dust Mite

A microscopic, translucent arachnid that lives unseen in household dust, feeding quietly on shed skin flakes within mattresses, carpets, and furniture.

arachnid

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
Waxworm

Waxworm

A soft, cream-colored grub found tunneling through beeswax comb, the waxworm is the larva of the wax moth and has become a household staple as fishing bait and reptile feed.

caterpillar-larva
Mud Wasp

Mud Wasp

A slender, thread-waisted solitary wasp famous for plastering rows of tube-shaped mud cells under eaves and porch ceilings, each one stocked with paralyzed spiders for its larva.

wasp
Pillbug

Pillbug

A gray, armor-plated land crustacean that curls into a tight ball at the slightest touch, earning it the playful nickname "roly-poly."

other
Pill Bug

Pill Bug

A gray, segmented, armor-plated crustacean that curls into a tight ball when disturbed, commonly found under rocks, logs, and damp garden debris.

other
Tick

Tick

A small, flattened, oval arachnid with a hard shield-like plate on its back that waits on vegetation and attaches to passing hosts to feed on blood, swelling considerably once fed.

arachnid
Flat-backed Millipede

Flat-backed Millipede

A slow, armor-plated decomposer whose body segments flare into flat, wing-like keels, giving it a distinctly ribbed, tank-like silhouette compared to rounder millipedes.

myriapod
Sowbug

Sowbug

A slate-gray, oval, armor-plated crustacean that shuffles through damp leaf litter on seven pairs of legs, recognizable by its overlapping segmented shell and pair of trailing tail-like appendages.

other

Fishfly Larva

A flattened, armor-plated predator of stream bottoms, the fishfly larva spends one to three years underwater seizing prey with sickle-shaped jaws before briefly taking wing as a short-lived winged adult.

aquatic-insect
Goliath Birdeater

Goliath Birdeater

The heaviest spider in the world, the Goliath birdeater is a massive, hairy tarantula from the South American rainforest whose leg span can rival a dinner plate, though despite its name it primarily hunts insects and other invertebrates rather than birds.

spider