Now on Android. Identify bugs offline-friendly, camera-first, no ads for the first week. Get the free app.
Get the App
Bug Encyclopedia

Browse our comprehensive database of insects. Click on any insect to learn more about identification, behavior, and treatment.

Weevil
Weevil
Medium

Weevils are small beetles with elongated snouts. They are known for their...

Learn More
Western Conifer Seed Bug
Western Conifer Seed Bug
Low

The Western Conifer Seed Bug is a type of true bug known for its leaf-like hind...

Learn More
Western Tiger Beetle
Western Tiger Beetle
None

The Western Tiger Beetle is known for its striking patterns and fast movements....

Learn More
Wheel Bug
Wheel Bug
Medium

The wheel bug is a large assassin bug known for the cogwheel-like structure on...

Learn More
White Satin Moth
White Satin Moth
Medium

The White Satin Moth is a striking white moth with silky wings. It is known for...

Learn More
Wolf Spider
Wolf Spider
Low

Wolf spiders are robust and agile hunters with excellent eyesight. They are...

Learn More
Woodlouse
Woodlouse
None

Woodlice are small terrestrial crustaceans with a segmented exoskeleton. They...

Learn More
Woolly Bear Caterpillar
Woolly Bear Caterpillar
None

The Woolly Bear Caterpillar is known for its fuzzy appearance with bands of...

Learn More
Yellow Sac Spider
Yellow Sac Spider
Medium

The Yellow Sac Spider is a small, pale spider known for its nocturnal hunting...

Learn More
Yellow-collared Scape Moth
Yellow-collared Scape Moth
None

The Yellow-collared Scape Moth is a small moth with a distinctive yellow or...

Learn More
Yellowjacket Hover Fly
Yellowjacket Hover Fly
None

The Yellowjacket Hover Fly is a mimic of the yellowjacket wasp, but it is...

Learn More

Useful Identification Tools

Free AI Bug Identifier

Snap a photo, get the species name in seconds.

Bug Bite Identification

Identify any insect bite by symptoms, shape, and pattern.

Spider Identifier

Identify spiders by photo — venomous or harmless.

Get the Free Android App

Camera-first identification, offline library, favorites.

Bug Identification Blog

Pest control guides, identification tips, treatment.

Bug Bite Chart with Pictures

Visual chart matching bites to bugs.