<i>Dasyhelea oppressa</i> (Ceratopogonidae) and <i>Mycetobia divergens</i> (Anisopodidae): Two Diptera new to British Columbia


  • Robert A. Cannings Entomolgy Division British Columbia Provincial Museum Victoria, B.C.


Diptera, <i>Dasyhelea oppressa</i>, Ceratopogonidae, <i>Mycetobia divergens</i>, Anisopodidae


Larvae and pupae of <i>Dasyhelea oppressa</i> Thomsen and <i>Mycetobia divergens</i> Walker were found in the sap on the ulcerated trunk of a horse-chestnut tree in Vancouver, B.C. Adults of both species were reared from these collections. This record is the first for <i>D. oppressa</i> west of Manitoba in Canada and Iowa in the United States and for <i>M. divergens</i> the first record west of Alberta and Arizona.


Stone, A., C.W. Sabrosky, W.W. Wirth, R.H. Foote, and J.R. Coulson. 1965. A catalogue of the Diptera of North America north of Mexico. U. S. Dept. Agriculture, Washington.

Teskey, H.J. 1976. Diptera larvae associated with trees in North America. Mem. Entomol. Soc. Can. 100:1-53.

Thomsen, L.C. 1937. Aquatic Diptera. Part V. Ceratopogonidae. Mem. Cornel Univ. Agric. Exp. Stn. 210:57-80.

Waugh, W.T. and W.W. Wirth. 1976. A revision of the genus Dasyhelea Kieffer of the eastern United States north of Florida (Diptera: Ceratopogonidae). Ann. Entomol. Soc. Amer. 69(2):219-247.