Identification and molecular analysis of ixodid ticks (Acari: Ixodidae) and their pathogens in Yakutia
2021
A. I. Barashkova | A. D. Reshetnikov | E. N. Popov
The purpose of the research is to identify ixodid ticks and their pathogens in the left bank area of Central Yakutia. Materials and methods. The work was carried out in 2019–2020 in the left bank area of Central Yakutia. Nine ticks were collected in 2019, and 27 ticks in 2020. We studied forest shrub stations, steppe stations, meadow field stations, near-water stations and stations of settlements. To determine faunal and ecological characteristics of ectoparasites in the territory, we used standard collection methods. The tick species was determined using morphological keys by N. A. Filippova; the determination correctness was confirmed by the PCR method. The collected ticks were studied for causative agents of babesiosis and tick-borne viral encephalitis using PCR analysis. Results and discussion. One species of ixodid ticks, Ixodes persulcatus, inhabits the left bank area of Central Yakutia. Haemaphysalis concinna was not found in Yakutia. In 2008, a natural focus of blood protozoan disease of domestic reindeer appeared for the first time in Yakutia in its central zone. Recently, an increase in the number of I. persulcatus has been observed. Tick activity is recorded from the second decade of May to the second decade of August. The ground-squirrel Spermophilus parryii is the main host for the preimaginal stages. Pathogens were not detected when ticks were examined for causative agents of babesiosis and tick-borne viral encephalitis using PCR analysisd.
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