Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Version 16.VII.2006, as of now
http://www2.emg.umu.se/projects/biginst/andersn/WCN/WCN_20060716.pdf

[cite:512572]
very helpful electronic publication that gives state ranges for each spp.

Nilsson, A.N. 2006. A World Catalogue of the Family Noteridae, or the Burrowing Water Beetles (Coleoptera, Adephaga): Version 16.VII.2006. 52 pp.