Pacific Northwest Moths is a comprehensive source of information about more than 1,200 species of moths.

Drawing from the knowledge of moth experts and specimen records from the region’s major insect collections, this site features detailed species accounts , high resolution photographs , and an interactive identification key for every Pacific Northwest moth species within the families Drepanidae, Uraniidae, Lasiocampidae, Saturniidae, Sphingidae, Notodontidae, Erebidae, Euteliidae, Nolidae, and Noctuidae.

Explore this site to identify a moth that you have found, or to learn about the amazingly diverse moths of our region. Because the site also works on mobile devices, it serves as an electronic field guide to the region's moths!

National Moth Week: To register to join or host a summer 2024 mothing event (events can be private or public) click here .

Searching for info about a specific species? Use your browser's find function (Ctrl+F for Windows/Linux or Command+F for Mac) on this page .

Want to generate a checklist of species from a particular state/province or county/regional district? Use the filters at the top of the list on this page .

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Quick Stats

Map of all locations for which we have moth data

  • 1,248 Species Profiles
  • 98,176 Specimen Records
  • 4,244 Specimen Images