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!

New Feature: A Checklist Generator!: Create a checklist of moths in our database for any combination of PNW states/provinces and counties/regional districts. Try it here !

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Quick Stats

Map of all locations for which we have moth data

  • 1,219 Species Profiles
  • 87,730 Specimen Records
  • 3,595 Specimen Images