Author: Lenz, 1921
Diagnosis
Generic diagnosis, key to species group, ecology and distribution: Pinder and Reiss, 1986a (p. 339-340, Fig. 10.51).
For links to the Key and diagnostic characters: Page 241: Chironomini 138/ Page 244: Chironomini 141/ Page 336: Chironomini 233
Recent revision
Spies, 2000a (contributions to knowledge and key to Nearctic males).