A review of the genus Enicospilus Stephens (Ichneumonidae: Ophioninae) from Vietnam, with descriptions of ten new species Author Pham, Nhi Thi 67079E55-D341-48F2-AEDB-71AA8D40AD2D Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam. Osaka Museum of Natural History, Nagai Park 1 - 23, Higashisumiyoshi-ku, Osaka, Japan. Institute for Agro-Environmental Sciences, NARO, Kannondai 3 - 1 - 3, Tsukuba 305 - 8604, Japan. Laboratory of Insect Biodiversity and Ecosystem Science, Graduate School of Agricultural Science, Kobe University, Kobe, Hyogo, Japan. The Natural History Museum, Cromwell Road, London SW 7 BD, UK. ptnhi2@yahoo.com Author Pham, Phu Van 09B6F968-3B83-4052-89A1-1DB2D91933CF Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam. Osaka Museum of Natural History, Nagai Park 1 - 23, Higashisumiyoshi-ku, Osaka, Japan. Institute for Agro-Environmental Sciences, NARO, Kannondai 3 - 1 - 3, Tsukuba 305 - 8604, Japan. Laboratory of Insect Biodiversity and Ecosystem Science, Graduate School of Agricultural Science, Kobe University, Kobe, Hyogo, Japan. The Natural History Museum, Cromwell Road, London SW 7 BD, UK. phamphu93.k56@gmail.com Author Matsumoto, Rikio 9D30E868-4C4B-4F40-A6C8-781F185FA0E4 rikio@mus-nh.city.osaka.jp Author Shimizu, So D60BFE76-B686-4FB2-A720-A02DE0A2C2B1 parasitoidwasp.sou@gmail.com Author Broad, Gavin R. D06689DE-526F-4CFA-8BEB-9FB38850754A g.broad@nhm.ac.uk text European Journal of Taxonomy 2023 2023-06-12 873 1 1 151 http://dx.doi.org/10.5852/ejt.2023.873.2133 journal article 54010 10.5852/ejt.2023.873.2133 6b60ec14-d9a3-4400-b636-bb3ee16094b7 2118-9773 8038022 099F6A49-6516-4F39-9E20-A077A5D60535 Enicospilus flavocephalus ( Kirby, 1900 ) Fig. 29 Ophion flavocephalus Kirby, 1900: 82 ; lectotype ♂ from Christmas Is. (Indian Ocean) ( NHMUK ) . Enicospilus flavocephalus – Cushman 1937: 306. Diagnosis Interocellar area reddish brown; clypeus weakly convex, ventral margin bunt; mandible twisted ca 30°, outer surface without a diagonal setose groove; fore wing fenestra with proximal, central and distal sclerites, central sclerite strong, linear, parallel to weak distal sclerite, vein 1m-cu&M centrally angled. Material examined VIETNAM • 1 ♂ ; Kien Giang Province , Kien Luong , Hon Chong ; 18 Jun. 2005 ; Ta H.T. and Hoang V.T. leg.; light trap ; IEBR • 2 ♂♂ ; Son La Province , Thuan Chau , Chieng Bom ; 3 Sep. 2016 ; Pham V.P. leg.; light trap ; IEBR • 1 ♀ ; Hoa Binh Province , Luong Son , Thanh Lap ; 25 Feb.–5 Mar. 2019 ; Nguyen D.H. leg.; Malaise trap ; IEBR • 1 ♀ ; Cao Bang Province , Phia Oac - Phia Den NP ; 22°35.305′ N , 105°52.552′ E ; 1216 m a.s.l. ; 24 May 2020 ; Hoang V.T. and Pham V.P. leg.; light trap ; IEBR • 1 ♀ ; same locality as for preceding; 3 Jun. 2020 ; Nguyen D.H. leg.; light trap ; IEBR • 1 ♂ ; Cao Bang Province , Ha Quang , Thanh Long ; 22.76852° N , 105.9687° E ; 590 m a.s.l. ; 24 May 2022 ; Pham T.N. , Hoang V.T. and Pham V.P. leg.; light trap ; IEBR . Remarks In comparison with the specimens examined by Gauld & Mitchell (1981) , Vietnamese specimens have shorter fore wings (8.2–12.0 mm vs 10.0–13.0 mm) and greater SDI (0.98–1.20 vs 0.76–1.10). Distribution Previously known from Australia , Brunei , China (including Taiwan) , India , Indonesia , Japan , Malaysia , New Caledonia , Papua New Guinea , Philippines , Singapore , Solomon Islands , and Sri Lanka ( Yu et al. 2016 ). These are the first records of this species from Vietnam .