Tick-borne diseases are a serious concern in Japan, and it is important to clarify the factors determining distribution of hard ticks (Acari: Ixodida: Ixodidae). To investigate how presence sika deer ( Cervus nippon Temminck, 1838) affects ticks, were collected from 28 sites Tottori Prefecture, western early summer (June) autumn (October) 2019. In addition, data on fecal pellets recorded Octobe...