Found a bug in your house?

Pick the kind of bug. Each page says if it is dangerous and how to deal with it.

Cockroaches
Roaches in the kitchen or bathroom, and how to tell the species apart.
9 species
Bed Bugs
Small blood-feeding bugs that hide in mattresses and furniture.
2 species
Ants
Ants that move indoors, from sugar ants to carpenter ants and fire ants.
19 species
Termites
Wood eaters that can damage a house before you see them.
8 species
Silverfish
Fast, wingless insects in bathrooms, basements and old paper.
4 species
Carpet Beetles
Tiny beetles whose larvae eat wool, fur, feathers and lint.
6 species
Fleas
Jumping biters that ride in on pets.
5 species
Lice
Head lice, body lice and crab lice that live on people, not in the house.
2 species
Flies
House flies, fruit flies, drain flies and the ones that bite.
17 species
Mosquitoes
Biters that breed in standing water, some carry disease.
10 species
Wasps And Bees
Yellowjackets, hornets, paper wasps, mud daubers and bees near the house.
19 species
Spiders
House spiders, black widows, recluses and the harmless ones that look scary.
30 species
Ticks And Mites
Ticks that carry disease, and mites around the house.
11 species
Stink Bugs And True Bugs
Stink bugs, boxelder bugs, kissing bugs and other true bugs.
13 species
Lady Beetles And Beetles
Lady beetles that swarm in fall, pantry beetles, wood borers.
24 species
Moths
Pantry moths, clothes moths and stinging caterpillars.
16 species
Earwigs
Pincer bugs that come in from damp places.
4 species
Centipedes And Millipedes
House centipedes, big centipedes and millipedes.
10 species
Crickets
House crickets, camel crickets, field crickets and mole crickets.
6 species
Scorpions
Scorpions, whip scorpions and tiny pseudoscorpions.
5 species
Pill Bugs And Others
Pill bugs, sowbugs, booklice, springtails and more.
13 species

How this page works

Start here if you found a bug indoors. Pick the group that looks closest.

Every fact on Bug FAQ comes from a named source (university extension sites, government agencies, GBIF, iNaturalist, Wikipedia). The source is linked next to each section. If we have no source for something, we leave it out.