Seasonal activity of adult ticks Ixodes persulcatus P. Sch. in the eastern part of the Russian Plain.
Zemskaya A A·Folia parasitologica
In the TBE focal region in the eastern part of the Russian Plain the beginning of the adult I. persulcatus activity is usually registered in the last ten days of April, when the upper soil layers get warmed thoroughly up to +5 or 10 degrees C. The period of activity is dissimilar in different years, varying between 65…