About PNW Moths

Pacific Northwest Moths is an open-source resource for identifying and learning about the moths of Washington, Oregon, Idaho, Montana, and British Columbia. The site brings together species fact sheets, photographic plates, distribution records, and an identification key, built from the collections and expertise of many institutions and individuals across the region.

In this section

• About the Data — where the occurrence records come from, how they are cleaned, and known limitations.
• About the Images — image licensing, photography methods, and a guide to making photographic plates.
• Related Sites — links to related projects, regional resources, and partner organizations.
• References — bibliography of works informing the taxonomy, identification key, and species accounts.
• Site Credits — the people and institutions behind the site.
• Contact — questions, comments, or data to share.