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FAUNAL AND ECOLOGICAL FEATURES OF THE DISTRIBUTION OF IXODID TICKS IN THE KURSK REGION

The article describes features of fauna and ecology of ixodid ticks on the example of the two most common species of ixodids Ixodes ricinus and Dermacentor reticulatus, which are the main carriers of tick-borne infections in the Kursk Region. We analyzed biotopical distribution of ixodids in landscapes of the Region, considered the main feeders of ixodid ticks in the conditions of the Kursk Region, and conducted a comparative analysis of parasitism peaks of ixodids in connection with climate indicators in epidemiological seasons in the period from 2015 to 2019. Ixodes ricinus is characterized by stronger association with forest biotopes, and Dermacentor reticulates is characterized by stronger association with meadow and forest biotopes. The data obtained indicate that biotopes of ixodid ticks in the Kursk Region are unevenly distributed; the parasitism peaks of ixodids and their numerical indicators are directly related to climatic conditions of the previous calendar year in the respective epidemiological season. As we have observed, increased humidity contributes to a decrease in the number of ixodids in following years, but a rise of the average annual air temperature has the opposite effect on the population and activity of the arthropods in the future.