Reference Books: 


Life Histories of Cascadia Butterflies

by David G. James and David Nunnallee 

Published October 1, 2011  by Oregon State University Press
ISBN10: 0870716263 and ISBN13: 9780870716263




ButterfliesCascadiaThe Butterflies of Cascadia: A Field Guide to All the Species of Washington, Oregon, and Surrounding Territories

by Robert Michael Pyle

Published 2002 by Seattle Audubon  
ISBN-10 0914516132 and ISBN-13 9780914516132
Out of print, but sometimes available from Powell’s Books


December 12, 2017 – National Butterfly Center Threatened by Border Wall

February 20, 2015 – Tacoma News Tribune published an article about Robert Hardwick, long time member of WBA.

April 3, 2011 – Spokane Spokesman Review

Other publications


August 2006 – Mountain Butterflies by Idie Ulsh published in Washington Trails Association Magazine.   WTA_Mountain_Butterflies(447kb)

Mima Mounds Butterfly Guide published by the Nature Conservancy   MimaMounds_butterfly_Guide(3.2mb)

Bob Hardwick’s 2008 Johnson Prairie Survey by Cheryl Fimble   JohnsonPrairieSurvey2008(2.2mb)

David Dropper’s Search for the Forest’s Winged Aerial Acrobats by Kelly Sprute