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 nebulosus Wang, 1982 ( Figure 8 ) Yezoceryx nebulosus Wang, 1982a : 97 . Holotype : , China : Sichuan ( IZCAS ) Diagnosis. Dark brown to black; face largely black; pronotum and mesopleuron smooth, without striae; first tergite elongate, 2.6–3.0× as long as its posterior width; first sternite with blunt, short projecting hook; ovipositor 4.0× length of hind tibia. Material examined. Cao Bang , Phia Oac NR : 1♀ ( IEBR ), 8–18.v.2013 , Malaise trap , T.H. Pham leg. ; Son La , Copia NR : 2♂ ( IEBR ), Malaise trap , 27.iv-2.v.2016 , T.V. Hoang leg. Distribution. Previously known only from China ( Sichuan ) ( Wang, 1982a ), these are the first records of this species from Vietnam . Remarks. The first tergite of the Vietnamese specimens is about 3.0–3.3× longer than its posterior width, a little more elongate than that of the holotype (2.6×).