The seven species of Clinohelea known to inhabit North America are described and illustrated, and a key is provided for identification. Two species groups are recognized: the unimaculata group and the bimaculata group. Clinohelea longitheca and C. pseudonubifera are new. Clino-helea nebulosa (Malloch) is a synonym of C. curriei (Coquillett) NEW SYNONOMY.
Grogan, William L. Jr. and Wirth, Willis W.
"A revision of the Nearctic species of Clinohelea Kieffer (Diptera: Ceratopogonidae),"
Great Basin Naturalist: Vol. 35
, Article 4.
Available at: http://scholarsarchive.byu.edu/gbn/vol35/iss3/4