Macroinvertebrates of the Pacific Northwest

Macroinvertebrates of the Pacific Northwest
A Field Guide
By Jeff Adams and Mace Vaughan, The Xerces Society

The field guide is printed on durable, water resistant paper. The images in this guide are representative of 56 common and readily visible groups of macroinvertebrates encountered in wadeable streams of the Pacific Northwest. General information is included on the identification and natural history of each group. Most images are entire organisms.

To download a copy of the field guide, please click here.

Hard copies available for free for educational purposes. Click here to request.