First record of the genus Yezoceryx Uchida (Ichneumonidae: Acaenitinae) from Vietnam, with descriptions of nine new species Author Achterberg, Cornelis Van text Zootaxa 2017 2017-08-24 4311 3 345 372 journal article 32316 10.11646/zootaxa.4311.3.2 38da213d-7ad2-4afe-bc41-a9087c9e6555 1175-5326 847854 F6Bf844D-60Fe-4D1F-8Fca-Dfbd533F0770 Yezoceryx maculatus Chao, 1981 ( Figure 7 ) Yezoceryx maculatus Chao, 1981 : 203 . Holotype : ♀ , China : Jianyang xian ( FACS ). Diagnosis. Brown with black marks on mesosoma and metasomal tergites; basal area of propodeum inverted trapezoid; first tergite about 2.0–2.4× as long as posterior width; first sternite with short, anteriorly projecting hook; ovipositor 2.6–3.1× length of hind tibia. Material examined. Vinh Phuc , Tam Dao NP: 1♀ ( OMNH ), 6.v.1998 , 900– 1200 m a.s. l. , hand net , R. Matsumoto leg. ; Ninh Binh , Cuc Phuong NP: 1♂ ( RMNH ) near entrance, 14.iv–1.v.2000 , Malaise trap , Q.P. Mai leg ; 1♀ (RMNH) near entrance, 15–27.v.2000 , Malaise trap , Q.P. Mai leg.; Thua Thien-Hue , Phong Dien NR: 1♀ ( RMNH ), nr base camp, 15 km W Phong My , 23.iii–6.iv.2001 , 80– 210 m a.s.l. , Malaise trap , C. v. Achterberg & R. de Vries leg. ; Nghe An , Pu Mat NP: 1♂ ( IEBR ), 17.iv.2006 , hand net , N.T. Pham leg. ; Dong Nai , Cat Tien NP: 2♀ ( RMNH , IEBR ), 9.iv–13.v. 2007 , 100 m a.s.l., Malaise trap , Q.P. Mai, M.T. Nguyen & C. v. Achterberg leg. ; Son La , Thuan Chau , Co Ma : 1♀ ( IEBR ), 5.vi.2008 , 1200 m a.s.l. , hand net , H.X. Le leg. ; Hoa Binh , Mai Chau , Tan Son : 1♀ ( IEBR ), 10–15.vi.2010 , 800– 900 m a.s.l. , Malaise trap , L.D. Khuat leg. ; Cao Bang , Phia Oac NR: 1♀ 1♂ ( IEBR ), 8–18.v.2013 , Malaise trap , T.H. Pham leg. Distribution. Previously known only from China ( Chao, 1981 ). These are the first records of this species from Vietnam . Remarks. Vietnamese specimens have a slightly more elongate first tergite (2.1–2.4×) than the holotype (2.0×), according to its original description ( Chao, 1981 ).