The following Insect Identification resources may be of use to you during and after the Wenatchee Naturalist Course.
Pacific Northwest Insects by Merrill A. Peterson
Insects of the Pacific Northwest (Timber Press Field Guides) by Peter Haggard and Judy Haggard(Mar 20, 2006)
A Field Guide to Insects: America North of Mexico by Donald J. Borror and Richard E. White (Apr 15, 1998) Peterson Field Guide
Kaufman Field Guide to Insects of North America (Kaufman Field Guides) by Eric R. Eaton and Kenn Kaufman(Feb 28, 2007)
Insects: Their Natural History and Diversity: With a Photographic Guide to Insects of Eastern North America [Hardcover] by Stephen A. Marshall ($$$) A large-format comprehensive volume containing excellent color photos, natural history narratives, and a flow-chart illustrated identification key.
Dragonflies through Binoculars: A Field Guide to Dragonflies of North America (Butterflies and Others Through Binoculars Field Guide Series) by Sidney W. Dunkle
National Audubon Society Field Guide to North American Insects and Spiders (National Audubon Society Field Guides by NATIONAL AUDUBON SOCIETY (Nov 12, 1980)
Butterfly Field Guides
Life Histories of Cascadia Butterflies by David G. James and David Nunnallee(Oct 1, 2011)
The Butterflies of Cascadia: A Field Guide to All the Species of Washington, Oregon, and Surrounding Territoriesby Robert Michael Pyle, Idie Ulsh and David Nunnallee(May 2002)
Butterflies of North America (Kaufman Field Guides) by Jim P. Brock and Kenn Kaufman(Sep 1, 2006)
Butterflies through Binoculars: The West A Field Guide to the Butterflies of Western North America (Glassberg Field Guide Series) by Jeffrey Glassberg
Bee Conservation books
Attracting Native Pollinators: The Xerces Society Guide, Protecting North America’s Bees and Butterfliesby The Xerces Society(Feb 26, 2011)
Bees, Wasps, and Ants: The Indispensable Role of Hymenoptera in Gardens by Eric Grissell