Yezoceryx walkleyae Momoi, 1968

(Figure 18)

Yezoceryx walkleyae Momoi, 1968 . Kontyû, 36(3): 217. Holotype: ♀, China: Sichuan (USNM).

Diagnosis. Body entirely reddish; first tergite 2.8× its posterior width; first sternite with anteriorly projecting hook; ovipositor about 4.5× as long as hind tibia.

Material examined. Hoa Binh, Mai Chau, Tan Son: 1♀ (IEBR), 1–5.vi.2000, 850– 900 m a.s.l., Malaise trap, L.D. Khuat leg.

Distribution. Previouly known only from China (Sichuan) (Momoi, 1968; Yu et al., 2012), this is the first record of this species from Vietnam.