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 distribution maps on the scale of order and family. Detailed descriptions and additional photos accompany each taxonomic group. The site also defines terms that may not be familiar to those new to the study of aquatic invertebrates.
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