Eptesicus is a genus of bats, commonly called house bats, in the family Vespertilionidae.The 25 species within this genus are:Little black serotine (Eptesicus andinus)Bobrinski's serotine (Eptesicus bobrinskoi)Botta's serotine (Eptesicus bottae)Brazilian brown bat (Eptesicus brasiliensis)Chiriquinan serotine (Eptesicus chiriquinus)Diminutive serotine (Eptesicus diminutus)Surat serotine (Eptesicus dimissus)Horn-skinned bat (Eptesicus floweri)Argentine brown bat (Eptesicus furinalis)Big brown bat (Eptesicus fuscus)Gobi big brown bat (Eptesicus gobiensis)Guadeloupe big brown bat (Eptesicus guadeloupensis)Long-tailed house bat (Eptesicus hottentotus)Harmless serotine (Eptesicus innoxius)Japanese short-tailed bat (Eptesicus japonensis)Kobayashi's bat (Eptesicus kobayashii) Eptesicus lobatusJamaican serotine (Eptesicus lynni)Sind bat (Eptesicus nasutus)Northern bat (Eptesicus nilssonii)Thick-eared bat (Eptesicus pachyotis)Lagos serotine (Eptesicus platyops)Serotine bat (Eptesicus serotinus)Eptesicus taddeii Sombre bat (Eptesicus tatei)↑ ↑