Venter, Gert Johannes; Nevill, E.M.; Van der Linde, T.C. De K.; Verwoerd, Daniel Wynand
(Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
Seasonal abundance and parity in Culicoides populations, in the vicinity of livestock, were determined
at seven sites in five different climatic regions with 220 V down-draught blacklight-traps. In
418 collections made ...