Females are 3 – 4 mm in size. When fully engorged after feeding, it swells to 10 mm, and its colour changes to pale grey. Males can grow up to 2.5 mm. A hard scutum covers the entire body in males and about one-third of the body in females.
Taiga ticks are common throughout the forest-covered parts of Eurasia. They are particularly numerous in damp areas. Taiga ticks prefer moderately shaded deciduous and mixed forests with tall grass and thick undergrowth. They occur particularly frequently in ravines, forest clearings, willow thickets and along the banks of forest rivulets.
The Taiga tick is a cosmopolitan species, with its range extending into the Antarctic.