- EPA - Benthic Macroinvertebrates in Our Waters
- Feeding in Aquatic Organisms
- Respiration in Aquatic Organisms
- Interactive Macroinvertebrate Identification Activity from Bridging the Watershed
- Pictoral Method of Identifying Aquatic Macroinvertebrates
- North American Benthological Society
- The Xerces Society for Invertebrate Conservation
- University of Minnesota Water Resouces Center's Guide to Macroinvertebrates of the Upper Midwest
- Dragonflies & Damselflies
- Alderflies, Dobsonflies & Fishflies
- Scuds
- Crayfish
- Cranefly
- Dobsonfly
- Caddisfly
- Aquatic Worm
- Freshwater Leech
- A Guide to Common Freshwater Invertebrates of North America Author: J. Reese Voshell, Jr. The McDonald & Woodward Publishing Company Copyright 2002
Macroinvertebrate Identification Keys