Contribution to the knowledge of the potter wasp genus Euodynerus Dalla Torre, 1904 (Hymenoptera, Vespidae, Eumeninae) from Vietnam, with description of a new species and a key to the Oriental fauna Author Tran, Tien Van 0000-0001-7407-318X Academy of Public Administration and Governance, 77 Nguyen Chi Thanh Road, Lang Thuong, Dong Da, Hanoi, Vietnam Author Vu, Thuong Thi 0000-0002-5337-7472 Hanoi Pedagogical University 2, Nguyen Van Linh Str., Xuan Hoa, Phuc Yen, Vinh Phuc, Vietnam Author Nguyen, Cuong Quang 0000-0002-4244-1395 Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi, Vietnam Author Nguyen, Lien Thi Phuong 0000-0003-3527-9577 Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi, Vietnam text Journal of Hymenoptera Research 2025 2025-04-09 98 467 482 journal article 309110 10.3897/jhr.98.150250 f01f345e-69fe-448d-afaf-692b2a08a533 1812CEC1-8395-40D1-9B25-6CDBE3603499

Table 1. List of valid species of Euodynerus Dalla Torre occurring in the Oriental region (based on Yamane, 1990; Giordani Soika, 1994; Gusenleitner, 1998, 2008; Kim, 2012; Ma et al. 2017).

Species	Sexes known	Distribution
Subgenus Euodynerus Dalla Torre, 1904
E. carinatus Ma, Chen & Li, 2017	♀ ♂	China: Sichuan
E. dantici violaceipennis Giordani Soika, 1973	♀ ♂	China: Jiangsu, Guangdong, Hong Kong; Vietnam; Taiwan; Korea; Japan (including Ryûkyû Islands).
E. longisetulosus Giordani Soika, 1970	♂	India: Gujarat
E. rischi Gusenleitner, 2008	♂	Thailand
E. segregatus (Nurse, 1903)	♀	India: Gujarat
Subgenus Pareuodynerus Blu ̈ thgen, 1938
E. adiacens Giordani Soika, 1973	♀	China: Guangdong
E. convergens Giordani Soika, 1994	♀	Japan (Bonin Islands)
E. deqinensis Ma, Chen & Li, 2017	♂	China: Yunnan
E. ferrugineus Ma, Chen & Li, 2017	♀ ♂	China: Yunnan
E. furvus sp. nov.	♀	Vietnam
E. koenigsmanni Giordani Soika, 1972	♀ ♂	India: Assam, Sikkim; Thailand; Malaysia.
E. nipanicus bifasciatus Gusenleitner, 1998	♀	Thailand; Laos.
E. nipanicus flavicornis Yamane	♀ ♂	Japan: Ryûkyû Islands.
E. nipanicus nipanicus (von Schulthess, 1908)	♀ ♂	China; Vietnam; Russia;? Mongolia; Korea; Japan (including Ryûkyû Islands);? Thailand
E. nipanicus ryukyuensis Tano, 1987	♀ ♂	Taiwan; Japan: Ryûkyû Islands
E. nipanicus tonkinensis Giordani Soika, 1973	♀ ♂	Vietnam; China: Beijing, Guangdong, Tianjin, Yunnan
E. paiensis Gusenleitner, 2008	♀ ♂	Thailand
E. similinipanicus Ma, Chen & Li, 2017	♀ ♂	China: Yunnan
E. trilobus (Fabricius, 1787)	♀ ♂	British Indian Ocean Territories; Mauritius (Chagos Archipelago); Réunion; China: Zhejiang, Shanghai, Jiangsu, Anhui, Jiangxi, Guagdong, Guangxi, Hainan, Sichuan, Gansu, Guizhou, Taiwan, Hong Kong; Vietnam; Malaysia; Indonesia: Java; Taiwan; Japan: Ryûkyû Islands.
E. unifasciatus Gusenleitner, 1998	♀	India: West Bengal