Zootaxa 3931 (2): 221–252 ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ Article ZOOTAXA Copyright © 2015 Magnolia Press ISSN 1175-5334 (online edition) http://dx.doi.org/10.11646/zootaxa.3931.2.3 http://zoobank.org/urn:lsid:zoobank.org:pub:BC97C37F-FD98-4704-A39A-373C8919C713 A new species of Leptolalax (Anura: Megophryidae) from the western Langbian Plateau, southern Vietnam NIKOLAY A. POYARKOV, JR.1,2,7, JODI J.L. ROWLEY3,4, SVETLANA I. GOGOLEVA2,5, ANNA B. VASSILIEVA1,2, EDUARD A. GALOYAN2,5& NIKOLAI L. ORLOV6 1Department of Vertebrate Zoology, Biological Faculty, Lomonosov Moscow State University, Leninskiye Gory, GSP–1, Moscow 119991, Russia 2Joint Russian-Vietnamese Tropical Research and Technological Center under the A.N. Severtsov Institute of Ecology and Evolution RAS, South Branch, 3, Street 3/2, 10 District, Ho Chi Minh City, Vietnam 3Australian Museum Research Institute, Australian Museum, 6 College St, Sydney, NSW, 2010, Australia 4School of Marine and Tropical Biology, James Cook University, Townsville, QLD, 4811, Australia 5Zoological Museum of the Lomonosov Moscow State University, Bolshaya Nikitskaya st. 6, Moscow 125009, Russia 6Zoological Institute, Russian Academy of Sciences, Universitetskaya nab., 1, St. Petersburg 199034, Russia 7Corresponding author. E-mail:
[email protected] Abstract We describe a new species of megophryid frog from Loc Bac forest in the western part of the Langbian Plateau in the southern Annamite Mountains, Vietnam. Leptolalax pyrrhops sp. nov. is distinguished from its congeners