This article is aimed at reporting a case of parasitism by Boophilus microplus in a human being from Alto da Boa Vista, Santa Maria, Rio Grande do Sul. This area was highly infested by ticks; were observed on cattle, horses, and dogs. The human parasitism was observed when two ticks were fixed to the left forearm of individual. Ticks were identified as B. microplus. Human parasitism by this species of tick is rather rare and has not been previously reported in the literature.
B. microplus; parasitism; human; Santa Maria; RS; Brazil
