Eptesicus is a genus of bats, commonly called house bats, in the family Vespertilionidae. The 25 species within this genus are: \n* Little black serotine (Eptesicus andinus) \n* Bobrinski's serotine (Eptesicus bobrinskoi) \n* Botta's serotine (Eptesicus bottae) \n* Brazilian brown bat (Eptesicus brasiliensis) \n* Chiriquinan serotine (Eptesicus chiriquinus) \n* Diminutive serotine (Eptesicus diminutus) \n* Surat serotine (Eptesicus dimissus) \n* Horn-skinned bat (Eptesicus floweri) \n* Argentine brown bat (Eptesicus furinalis) \n* Big brown bat (Eptesicus fuscus) \n* Gobi big brown bat (Eptesicus gobiensis) \n* Guadeloupe big brown bat (Eptesicus guadeloupensis) \n* Long-tailed house bat (Eptesicus hottentotus) \n* Harmless serotine (Eptesicus innoxius) \n* Japanese short-tailed bat (Eptesicus japonensis