Found on Myotis nigricans nigricans (Wied), and Tadarida brasiliensis (I. Geoffroy) (bats) (Wygodzinsky 1951, Di Iorio 2012), and on Molossus molossus (Pallas) (Molossidae) (Di Benedetto et al. 2017).
Found in a bat colony of Tadarida brasiliensis (Molissidae) in Rosario, Santa Fe; and in a bat colony of Eptesicus brasiliensis (Vespertilionidae) in Campana, Buenos Aires (Roth et al. 2023).