VASSILIEVA, ANNA B., Department of Vertebrate Zoology, Biological Faculty, Lomonosov Moscow State University, Leninskiye Gory, GSP–1, Moscow 119234, Russia Joint 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