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 rufescens ( Smith, 1857 ) * ( Figs 7 ; 8 ) Odynerus rufescens Smith, 1857: 61 . Antipipona rufescens – Giordani Soika 1982 (1981): 205, 209 (key), 235, figs 37-39. MATERIAL EXAMINED . — Vietnam • 1 ♀ ; Ha Giang , Vi Xuyen , Cao Bo ; 5-15.XI.2001 ; Long Dang Khuat leg.; IEBR • 1♂ ; Ha Giang , Quan Ba , Dong Ha ; 23°03’48.4”N , 105°02’01.6”E ; alt. 515 m ; 19.X.2016 ; Ngat Thi Tran , Minh Phuong Nguyen , Cuong Quang Nguyen leg.; IEBR • 1 ♀ ; Cao Bang , Ha Lang , Thanh Nhat ; 22°42’8”N , 106°39’49”E ; alt. 332 m ; 19.XI.2023 ; Cuong Quang Nguyen , Ngat Thi Tran leg.; IEBR • 1 ♀ ; Cao Bang , Nguyen Binh , Tam Kim ; 23°36’17.0”N , 106°01’47.5”E ; alt. 320 m ; 5. VI .2016 ; Minh Phuong Nguyen , Cuong Quang Nguyen leg.; IEBR • 3 ♂ ; Yen Bai , Tan Phuong , Khe Bin ; 22°15’51.3”N , 104°38’07”E ; alt. 500 m ; 7.IX.2017 ; Lien Thi Phuong Nguyen , Cuong Quang Nguyen , Tuan Viet Luong leg.; IEBR • 1 ♀ ; Tuyen Quang , Tuyen Quang city, Trang Da ; 21°55’48”N , 105°14’23”E ; 1.XII.2014 ; Lam Xuan Truong , Lien Thi Phuong Nguyen , Minh Phuong Nguyen , Dai Dac Nguyen leg; IEBR • 1♂ ; Bac Kan , Na Ri , Lang San , Kim Hy NP; 22°19’22.6”N, 105°54’524”E; 4.VII.2012 ; J. Kojima , H. Nugroho & IED-c leg.; IEBR • 1 ♀ ; Bac Kan , Bach Thong , Vu Muon ; 22°12.5’N , 105°58’E ; alt. 550 m ; 5.VIII.2012 ; Lien Thi Phuong Nguyen & IED-c leg.; IEBR • 1 ♀ , 1 ♂ ; Thai Nguyen , Minh Tien ; 25. V .2007 ; Long Dang Khuat leg.; IEBR • 1 ♀ , 1 ♂ ; Lang Son , Hoang Dong , Na Sen ; 21°51’42”N , 106°43’54”E ; 31.X.2014 ; Dai Dac Nguyen , Lien Thi Phuong Nguyen , Minh Phuong Nguyen leg.; IEBR • 1♀ ; Lang Son , Huu Lung , Huu Lien , Lan Chau , Huu Lien NR; 21°43’22.9”N , 106°22’40.2”E ; 12. VI .2018 ; Lien Thi Phuong Nguyen , Lam Xuan Truong , Ngat Thi Tran , Tuan Viet Luong , Ha Thi Thu Nguyen leg.; IEBR • 1♀ ; Phu Tho , Xuan Son , Xuan Dai ; 5-10.IX.2009 ; Long Dang Khuat leg.; IEBR • 2 ♀ ; Phu Tho , Xuan Son , Xuan Dai ; 10-15.X.2009 ; Long Dang Khuat leg.; IEBR • 1 ♀ ; Phu Tho , Xuan Son , Xuan Dai ; 20-25.X.2009 ; Long Dang Khuat leg.; IEBR • 1 ♀ ; Phu Tho , Xuan Son , Xuan Dai ; 10- 20.XI.2009 ; Long Dang Khuat leg.; IEBR • 2 ♂ ; Phu Tho , Xuan Son , Xuan Son NP; alt. 300-400 m ; 24.IX.2005 ; Lien Thi Phuong Nguyen leg.; IEBR • 1 ♂ ; Phu Tho , Xuan Dai , Tan Son ; 19. V .2011 ; Phong Huy Pham leg.; IEBR • 2 ♂ ; Phu Tho , Xuan Dai , Tan Son ; 20. V .2011 ; Phong Huy Pham leg.; IEBR • 1 ♂ ; Phu Tho , Thanh Son ; 22. V .2011 ; Long Dang Khuat leg.; IEBR • 2 ♀ ; Ha Noi , Ba Vi ; 25.X.2016 ; Ngat Thi Tran leg.; IEBR • 1 ♂ ; Ha Noi , Thach That , Hoa Lac ; 6-16.IV.2002 ; Malaise trap ; IEBR • 1 ♀ ; Ha Noi , Thach That , Hoa Lac ; 15-25.IV.2002 ; Tea garden, Malaise trap , leg.; IEBR • 1♀ ; Ha Tay , Thach That , Hoa Lac ; 20-30.XI.2002 ; Tea garden, Malaise trap , leg.; IEBR • 1 ♀ ; Bac Giang , Son Dong , Tay Yen Tu ; alt. 150 m ; 2.VII.2010 ; Phong Huy Pham leg.; IEBR • 1 ♀ ; Hoa Binh , Da Bac ; 26.IV.2012 ; Lien Thi Phuong Nguyen leg.; IEBR • 1♀ , 1 ♂ ; Thanh Hoa , Thuong Xuan , Van Xuan , Hon Can , Xuan Lien NR; 19°52’27.5”N , 105°14’20.8”E ; alt. 106 m ; 23.VIII.2012 ; Lien Thi Phuong Nguyen leg; IEBR • 2 ♂ ; Thanh Hoa , Quan Hoa , Pu Hu NR; 20°31’32.1”N , 104°57’38.5”E ; alt. 284 m ; 12. VI .2016 ; Lam Xuan Truong , Dac Dai Nguyen , Ngat Thi Tran , Linh Ngoc Ha leg.; IEBR • 1 ♀ ; Quang Tri , Dakrong , Ta Rut ; alt. 300 m ; 2. VI .2006 ; ISD-c leg.; IEBR • 1 ♂ ; Quang Nam , Nam Giang , Cha Vai , Song Thanh NR ; alt. 500-600 m ; 28. V .2005 ; ISD-c leg.; IEBR • 1 ♀ ; Quang Nam , Cha Vai , Song Thanh NR ; alt. 400-600 m ; 29.IV.2005 ; ISD-c leg.; IEBR • 1 ♀ , 1 ♂ ; Quang Nam , Phuoc Son , Phuoc Hiep ; alt. 300 m ; 30.VII.2004 ; ISD-c leg.; IEBR • 1♂ ; Quang Nam , Phuoc Son , Phuoc My ; alt. 200- 300 m ; 24. V .2006 ; IEBR • 1 ♀ ; Quang Nam , Phuoc Son , Phuoc My ; alt. 300-400 m ; 25. V .2006 ; ISD-c leg.; IEBR • 1 ♂ ; Quang Nam , Phuoc Son , Phuoc My ; alt. 450-500 m ; 26. V .2006 ; ISD-c leg.; IEBR . FIG . 7. — Antepipona rufescens ( Smith, 1857 ) , from Vietnam: A , female, facial view; B , male, facial view; C , female, habitus, lateral view. Scale bar: 1 mm. FIG . 8. — Antepipona rufescens ( Smith, 1857 ) , genitalia: A , inner aspect of paramere with volsella and digitus; B , digitus; C , aedeagus, ventral view; D , aedeagus, lateral view. Scale bar: 1 mm. Indonesia • 2♀ ; Lubuk Mintrun nr Padang,W , Sumatra ; 15.VIII.1985 ; So. & Sk. Yamane leg.; coll. SKYC . DISTRIBUTION . — India : Kerala , Meghalaya , Sikkim , Tripura ; China : Shanghai , Sichuan , Hong Kong ; Taiwan ; Thailand ; Myanmar ; Laos ; Malaysia ; Indonesia : Java (including Kangean), Sumatra , Sulawesi , Moluccas ; Vietnam (new record). FIG . 9. — Antepipona tytides ( Cameron, 1904 ) , from Vietnam: A , female, facial view; B , male, facial view; C , female, habitus, lateral view. Scale bar: 1 mm. REMARK This species is recorded for the first time from Vietnam . The male genitalia were described by Giordani Soika (1982) but is redescribed here in added detail. MALE GENITALIA . — As in Figure 8 . Parameral spine with setae at middle part. Volsella flattened, spatulate, wide on inner aspect, and without setae at top ( Fig. 8A ). Digitus almost oval-shaped apically ( Fig. 8B ). Penis valves long ( Fig. 8C ), about 2.2× as long as basal apodeme, in profile apical part strongly produced into a large triangular lobe ( Fig. 8D ); upper part of proximal margin with long teeth ( Fig. 8D ).