What’s That Bug? is an online insect and creature identification resource for curious visitors, students, and bug enthusiasts. The site invites users to submit requests for help identifying insects and to explore a database featuring hundreds of thousands of insects from around the world. Its organized guides cover common household and outdoor pests, including ants, bed bugs, beetles, cockroaches, flies, mosquitoes, spiders, termites, ticks, and wasps, as well as broader groups such as aquatic insects, arachnids, amphibians, crustaceans, worms, and slugs and snails.

Detailed information and photographs support learning about creatures encountered in backyards or studied for school projects. The website also publishes recent identification-request content and articles about insect symbolism and the meanings people associate with repeated sightings. Visitors can browse by category, use search, or contact the site for identification assistance.

What’s That Bug? describes itself as a community for people interested in discovering the world of insects