Taxonomic review and distribution of the genus Vespula Thomson, 1869 (Hymenoptera: Vespidae: Vespinae) from Vietnam Author Nguyen, Lien Thi Phuong Author Vu, Thuong Thi Author Daglio, Anthony Author Wiśniowski, Bogdan text Zootaxa 2019 2019-10-31 4691 3 279 285 journal article 24998 10.11646/zootaxa.4691.3.8 1ee5bf08-e1a1-4944-894f-d0f45a4de58f 1175-5326 3527301 D21739BD-83F0-44FD-AC87-F8D030D22931 Vespula koreensis ( Radoszkowski, 1887 ) ( Fig. 2 : a–g) Vespa koreensis Radoszkowski, 1887 , Horae Soc. Entomol. Ross. 21: 432, male, female - “Korée” ( lectotype female London). Vespula koreensis is known to occur from india in the west to korea, siberia, Amur and Primor’ye of Russia in the east ( Daglio, 2019 ). In Vietnam , this species has two color forms: one is brighter with more yellow and brown ( Fig. 2c ), and the other is darker with less yellow ( Fig. 2d ). The species has been recorded by Nguyen et al. (2006) , and is also recorded from Cao Bang , Lang Son , Vinh Phuc , Bac Giang and Quang Tri in this study. Material examined : Cao Bang : 1 queen , Thang Hen Lake , Quoc Toan , Tra Linh , 28.IV.2015 , LTP Nguyen ; 6 work- ers , Thanh Cong , Nguyen Binh , 22°32’37’’N , 105°52’10.4’’E , 7.VIII.2012 , J Kojima , H Nugroho & IED-c ; 3 work- ers, Thanh Cong , Nguyen Binh , 22°32’29.7’’N , 105°52’51.7’’E , 8.VIII.2012 , J Kojima , H Nugroho & IED-c ; Thai Nguyen : 1 worker , Than Xa , Vo Nhai , 14.X.2014 , ISD-c ; Tuyen Quang : 1 male , I.2018 , Malaise trap, DL Khuat; Lang Son : 10 workers , Na Sen, Hoang Dong , 21°51’42’’N , 106°43’54’’E , 31.X.2014 , DD Nguyen , LTP Nguyen & MP Nguyen ; Phu Tho : 1 worker , Xuan Son NP, 600 m a.s.l. , 13. VI .2004 , LTP Nguyen ; 1 worker , Ha Hoa , 9. V .2019 , TT Vu ; Vinh Phuc : 1 worker , Tam Dao , 900-1200 m a.s.l. , 30.VII-3.VIII.2012 , DT Tran ; Bac Giang : 1 worker , Dong Bay , An Lac , Son Dong , 16. V .2013 , DD Tran ; 1 worker , Khe Ro, Son Dong , 17. V .2013 , DD Tran ; 4 workers , Khe Ro , An Lac , Son Dong , 21°20’27.2’’N , 106°58’07’’E , 11.VIII.2012 , J Kojima , H Nugroho & IED-c; 5 work- ers, Dong Bay , An Lac , Son Dong , 21°20’42.8’’N , 106°56’31.1’’E , 12.VIII.2012 , J Kojima , H Nugroho & IED-c ; Quang Tri : 1 worker , Sa Mu Pass , Huong Phung , Huong Hoa , 900-1000 m a.s.l. , 6. VI .2006 , ISD-c . Queen description : Body length: 16 mm ; Forewing length: 15.2 mm . Propodeum very coarsely rugose over all its surface and without punctures. Gena, mesoscutellum and metanotum with dense and strong punctures. First metasomal tergum raised basally with a depression behind this elevation. Body black, with following part yellow: clypeus except margins black, mandible except base and teeth black, ocular sinus, a large mark on frons ( Fig. 2a ), gena, thick band on metasomal tergum 3-6 ( Fig. 2b ), upper part of fore tibia, all tarsi.