A recent bat survey reveals Bukit Barisan Selatan Landscape as a chiropteran diversity hotspot in Sumatra Author Huang, Joe Chun-Chia Department of Biological Sciences, Texas Tech University, Lubbock, TX, USA & Southeast Asian Bat Conservation Research Unit, Lubbock, TX, USA Author Jazdzyk, Elly Lestari Department of Biology, College of Mathematics and Natural Science, University of Lampung, Bandar Lampung, Indonesia Author Nusalawo, Meyner Wildlife Conservation Society-Indonesian Program, Bogor, Indonesia Author Maryanto, Ibnu Southeast Asian Bat Conservation Research Unit, Lubbock, TX, USA & Museum Zoologicum Bogoriense, Lembaga Ilmu Pengetahuan Indonesia, Bogor, Indonesia Author Maharadatunkamsi Museum Zoologicum Bogoriense, Lembaga Ilmu Pengetahuan Indonesia, Bogor, Indonesia Author Wiantoro, Sigit Southeast Asian Bat Conservation Research Unit, Lubbock, TX, USA & Museum Zoologicum Bogoriense, Lembaga Ilmu Pengetahuan Indonesia, Bogor, Indonesia Author Kingston, Tigga Department of Biological Sciences, Texas Tech University, Lubbock, TX, USA & Southeast Asian Bat Conservation Research Unit, Lubbock, TX, USA & Corresponding author: E-mail: tigga. kingston @ ttu. edu tigga.kingston@ttu.edu text Acta Chiropterologica 2014 2014-12-01 16 2 413 449 journal article 21483 10.3161/150811014X687369 9322a9db-0fb9-4136-a366-3bde45d1220e 1733-5329 3943617 x. Key to Molossidae (* denotes records in Sumatra but not in BBSL) 1.1. Ear triangular; ear integument thin; FA 38 mm ............................................ Mormopterus doriae * 1.2. Ear rounded; ear integument thick...................................................................... 2 2.1. Naked, only scattered hairs; FA 65–85 mm ; BM 115–180 g ................................. Cheiromeles torquatus 2.2. Hairy, fur thick; FA < 52 mm ; BM < 30 g ................................................................ 3 3.1. Interaural band of skin thick, rises vertically at center, forming a pocket between ears; FA 44–49 mm ................................................................................................. Chaerephon johorensis * 3.2. Interaural band of skin thin, not raised at center, no interaural pocket.......................................... 4 4.1. Dorsal fur predominantly reddish-brown; HF 11–13 mm ; BM 16–22 g ; one upper premolars; FA 41–46 mm ... Mops mops * 4.2. Dorsal fur predominantly grayish-brown; HF 8–9 mm ; BM 10–18 g ; two upper premolars (P 2 very small and unicuspid); FA 40–50 mm ...................................................................... Chaerephon plicatus *