Influence of anthropogenic factors on the formation of ecological plasticity ticks in the Middle Volga

The article considers the spatial and temporal changes in the population of ticks in the territory of the Middle region. In the forests of Tartary observed elimination of independent populations of the taiga tick. Revealed expansion of the area of forest-steppe species D. reticulatus in se-likely-west direction (Prikamsky and Predvolzhsky physiographic regions of Tatarstan). The observed changes in the boundaries of such areas ixodids and replacement of some other species of ticks due to the combined effect on the landscape of the region-anthropogenic factors.