[1] Hungarian Nat Hist Museum, Dept Zool, H-1088 Budapest, Hungary
[2] Hungarian Acad Sci, Vet Med Res Inst, Agr Res Ctr, H-1143 Budapest, Hungary
[3] Royal Ontario Museum, Dept Nat Hist, Toronto, ON M5S 2C6, Canada
[4] Vietnam Acad Sci & Technol, Inst Ecol & Biol Resources, Dept Vertebrate Zool, Hanoi, Vietnam
[5] Environm Canada, Natl Wildlife Res Ctr, Canadian Wildlife Serv, Ottawa, ON K1A 0H3, Canada