Taxonomic review of the potter wasp genus Antepipona de Saussure, 1855 (Hymenoptera, Vespidae, Eumeninae) from Vietnam, with descriptions of two new species and keys to the Oriental fauna Author Nguyen, Lien Thi Phuong Insect Ecology Department, Institute of Ecology & Biological Resources (IEBR), Vietnam Academy of Science & Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi (Vietnam) & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi (Vietnam) phuonglientit@gmail.com Author Nguyen, Anh D. Insect Ecology Department, Institute of Ecology & Biological Resources (IEBR), Vietnam Academy of Science & Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi (Vietnam) & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi (Vietnam) Author Dang, Hoa T. Insect Ecology Department, Institute of Ecology & Biological Resources (IEBR), Vietnam Academy of Science & Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi (Vietnam) & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi (Vietnam) Author Yamane, Seiki Kagoshima University Museum, Kôrimoto- 1, Kagoshima-shi (Japan) Author Engel, Michael S. Division of Invertebrate Zoology, American Museum of Natural History, 200 Central Park West, New York, New York 10024 - 5192 (United States) text Zoosystema 2024 2024-10-18 46 27 697 722 https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/zoosystema2024v46a27.pdf journal article 10.5252/zoosystema2024v46a27 1638-9387 13954689 A46D3764-47EA-4E57-8AD8-14FEAB25AEA8 Antepipona tytides ( Cameron, 1904 ) * ( Figs 9 ; 10 ) Odynerus tytides Cameron, 1904: 309 . Antepipona tytides – Giordani Soika 1975: 390 , figs 3, 5. MATERIAL EXAMINED . — Vietnam • 1 ♀ ; Yen Bai , Mu Cang Chai , Road to Che Tao village ; alt. 1400 m ; 12.IX.2017 , Lien Thi Phuong Nguyen , Quang Cuong Nguyen leg.; IEBR • 1 ♀ ; Lam Dong , Lac Duong , Da Chais , Bi Doup Nui Ba NP, way to NP station; 12°08’35.3”N , 108°31’58.1”E ; alt. 1501 m ; 6. VI .2013 ; Lien Thi Phuong Nguyen leg.; IEBR • 1♀ ; Lam Dong , Lac Duong , Da Lat , Dinh Lang Biang ; 12°02’50.3”N , 108°26’26.6”E ; alt. 2168 m ; 2. VI .2013 ; Lien Thi Phuong Nguyen leg.; IEBR . FIG . 10. — Antepipona tytides ( Cameron, 1904 ) , genitalia: A , inner aspect of paramere with volsella and digitus; B , digitus; C , aedeagus, ventral view; D , aedeagus, lateral view. Scale bars: 1 mm. Thailand • 1 ♂ ; Chendao [probably Chiang Dao]; 18.V.1980 ; T . Fujisawa; coll. SKYC . DISTRIBUTION . — India : Manipur , Meghalaya , Sikkim , West Bengal ; Nepal ; Bhutan ; China : Sichuan ; Myanmar ; Laos ; Vietnam (new record). REMARK This species is recorded for the first time from Vietnam . The male genitalia are described for the first time. MALE GENITALIA . — As in Figure 10 . Parameral spine with setae at middle part. Volsella flattened, spatulate, wide on inner aspect, and without setae at top ( Fig. 10A ). Digitus in inner aspect gradually narrowed apically, with lower right corner rounded ( Fig. 10B ). Penis valves long ( Fig. 10C ), about 2.1× as long as basal apodeme, in profile apical part strongly produced into a blade-shaped lobe ( Fig. 10D ); proximal margin serrate laterally ( Fig. 10D ).