Bufo ictericus Spix, 1824 toad population (N = 125) foraging in lighted areas in the Corupá Municipality, Santa Catarina State, was surveyed to evaluate the prevalence (percentage of infestation) and the mean infestation intensity of Amblyomma rotundatum Koch, 1844 (Acari, Ixodidae) ticks. The prevalence was of 19.2% and the mean infestation intensity was 7.4 ticks per infested toad. For the first time B. ictericus as host of A. rotundatum is reported.
Amblyomma rotundatum; ticks; Bufo ictericus; new host record