Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Aquatic Insects of North America
By R. W. Merritt, K. W. Cummins, M.B. Berg
Kendall/Hunt, 2008
ISBN: 0-7575-5049-5
Cite: 238489 with citation markup [cite:238489]
Over 1,000 pages citing 6,000 references. Contains keys and illustrations. Keys to larvae typically go to genus.

Fourth edition; previous editions dated 1978, 1984, 1996.

Scanned version of third edition available on Google books (missing some pages).