| nematocera (ceratopogonidae, psychodidae, simuliidae and culicidae) and control methods. | the biology, veterinary importance and control of certain nematocera are described and discussed. culicoides spp. (family ceratopogonidae) transmit the arboviruses of bluetongue (bt), african horse sickness (ahs), bovine ephemeral fever (bef) and akabane. some other arboviruses have been isolated from these species, while fowl pox has been transmitted experimentally by culicoides. these insects are vectors of the parasitic protozoans leucocytozoon caulleryi and haemoproteus nettionis, and the pa ... | 1994 | 7711309 |