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Aquatic invertebrates -- Observations

View Resource The Stream Study

Based on material developed by the Save Our Streams program (Izaak Walton League of America), this educational resource on streams is provided by the University of Virginia at Charlotteville. The Stream Study homepage is an online guide for determining the water quality of streams, based on collecting and identifying stream-bottom macroinvertebrates (e.g., crayfish, mussels, and larvae of aquatic...
View Resource VCSU Macro-Invertebrate Lab: Digital Key to Aquatic Insects of North Dakota

This well-illustrated key to the aquatic insects of North Dakota comes courtesy of the macroinvertebrate lab at Valley City State University and the North Dakota Department of Health. Intended as a tool for regional biomonitoring programs, this key is quite easy to use and contains loads of extra information not normally found in traditional dichotomous keys. The site includes lists, keys, and...