Yezoceryx nebulosus Wang, 1982

Achterberg, Cornelis Van, 2017, First record of the genus Yezoceryx Uchida (Ichneumonidae: Acaenitinae) from Vietnam, with descriptions of nine new species, Zootaxa 4311 (3), pp. 345-372 : 356-357

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×).

Figures

FIGURE 8. Yezoceryx nebulosus Wang from Phia Oac NR, Cao Bang Province, Vietnam: a. lateral view of head and mesosoma; b. face.