[Ixodes trianguliceps (Parasitiformes, Ixodidae) in the southern Lake Baikal area].

In the southern Lake Baikal area, in the region of the Khamar-Daban ridge, which borders the banks of Lake Baikal, there was found in abundant population the tick I. trianguliceps. Data on the ecology of the tick in this particular part of its distribution area and on its ecological links revealed by factor analysis of the tick's habitat of the first and second order by means of electronic computers are given.