The objective of this work is to describe the occurence of the monoespecific parasitism of A. fuscum NEUMANN, 1899 and A. humerale KOCH, 1844 in toads (Bufo arenalis) from the County of Rosana, State of São Paulo, Brazil. This is the description of a new host and new geographic site for those two species.
Amblyomma fuscum; Amblyomma humerale; Bufo arenalis; Ixodidae; amphibians; toads; ticks