List of Washington State Butterflies

David Nunnallee has reviewed and updated the list Washington butterflies. Two versions are available for downloading:

WashingtonButterflyChecklistRev5-20-13 – PDF
WashingtonButterflyChecklistRev5-20-13 – xls

Dichotomous Key to the Blues of Washington State

David Droppers introduced us to his key to identifying the many blue butterflies at the March 2, 2011 meeting. Periodically he has updated it. For his presentation on March 1, 2023, it now includes the updated taxonomic changes to the Celastrina (Echo and Asher’s Blues) and the new perspectives on the Euphilotes.  

Key to the Blues – Updated March 1 2023

Teaching Aids

1. Butterfly Identification Game Powerpoint by Al Wagar   Butterfly ID Game
2. Butterfly Flash Cards by Al Wagar  BflyFlashcrdFace(1.1mb)  BflyFlashcrdBack (95kb)

Field Guide to Okanogan County Butterflies with maps and information on the Sinlahekin Wildlife Area

Produced by Caitlin LaBar. To get your field guide, click here.

Butterflies of South Puget Sound by Rod Gilbert and Ann Potter