RESUMEN: Dos especies de murciélagos, Molossus molossus Pallas (1766) y Pteroteryx kappleri Peters (1867), presentes en el área urbana de la ciudad de Cali, departamento del Valle (Colombia), fueron examinadas para detectar la presencia de tremátodos digéneos. Ambas especies de murciélagos resultaron estar parasitadas con tremátodos de las familias Lecithodendriidae, Nudacotylidae, Urotrematidae y Anenterotrematidae. En total se encontraron siete géneros y ocho especies. Los tremátodos encontrados fueron preparados, medidos y descritos.ABSTRACT: Two species of bats. molossus molossus Pallas (1766) and pteroteryx kappleri Peters (1867). present in the urban area of Cali, department of Valle (Colombia), were examined for the presense of digenean trematods (Colombia). Both species were found to be parasited with trematods of Lecithodendriidae, Nudacotylidae, Urotrematidae and anenterotrematidae families. In total we detected eight species, belonging to seven genera. The trematods were prepared. Measured and described.COL0015099