[Variability of the morphological traits of the female Culicoides toyamaruae Arnaud 1956 (Ceratopogonidae)].

Females of a little known in the USSR species of bloodsucking midges, Culicoides toyamaruae Arn., are described on material collected in South Transbaikalia (Onon district of the Chita region). Their morphological variability in different parts of the range of the species (South Transbaikalia, South Primorye, Sakhalin, Japan, China) is considered.