First issued in release COL21.
Last used in release COL23.9
Published in
DeLong, D.M. & Freytag, P.H. (1966b) Studies of the Gyponinae: Two new primitive genera Coelogypona and Sulcana (Homoptera, Cicadellidae). Proceedings of the Entomological Society of Washington, 68(4), 309–313.