Nevill, Errol Matson; South Africa. Dept. of Agricultural Technical Services; De Lange, M.; Reinecke, R.K.; Walker, Jane B.; De Kock, V.E.; Howell, P.G.
(Pretoria : Government Printer, 1971)
Light trap catches over 7 years at the Veterinary Research Institute, Onderstepoort showed that
Culicoides adults are active on occasional winter nights and in some years remain active almost throughout
the winter. ...