 Its ectoparasites (external parasites) include the ticks "Ornithodoros hasei" and "Amblyomma"; the mites "Chiroptonyssus venezolanus", "Spinturnix americanus", "Macronyssus", "Trombicula", "Steatonyssus", and "Chiroptonyssus"; the bat flies "Basilia carteri" (Nycteribiidae) and "Trichobius jubatus" (Streblidae); and true bugs of the genus "Hesperoctenes".The dwarf dog-faced bat is found only in South America, with a wide range encompassing Argentina, Bolivia, Brazil, Colombia, Ecuador, Guyana, Paraguay, Peru, Uruguay, and Venezuela.It is generally found in lower altitude areas.