Enicospilus formosensis (Uchida, 1928)

Fig. 30

Henicospilus formosensis Uchida, 1928: 223; holotype ♀ from Taiwan (SEHU).

Enicospilus formosensis – Townes et al. 1961: 276.

Diagnosis

Interocellar area reddish brown; lower face broad, about 0.82–0.87 × as wide as long; clypeus weakly convex, ventral margin blunt to subacute; mandible stout, twisted 20°–30°, outer surface without a diagonal setose groove; fore wing length about 18.0–22.0 mm, fenestra with proximal, central and distal sclerites, central sclerite C-shaped, parallel to distal sclerite, discosubmarginal cell with conspicuous long line of setae.

Material examined

VIETNAM • 1 ♀; Vinh Phuc Province, Tam Dao NP; 30 Apr. 1996; Y. Okushima leg.; light trap; OMNH • 1 ♀; same collection data as for preceding; 1 May 1996; light trap; OMNH • 1 ♀; same collection data as for preceding; 3 May 1996; light trap; OMNH • 1 ♀; Lao Cai, Sapa; 21 Oct. 2008; Khuat D.L. leg.; hand net; IEBR • 1 ♀, 1 ♂; Cao Bang Province, Phia Oac - Phia Den NP; 25 May 2011; Hoang V.T. leg.; light trap; IEBR • 1 ♂; Son La Province, Thuan Chau, Co Ma; 27 Apr. 2016; Hoang V.T. leg.; light trap; IEBR • 1 ♀; Thua Thien-Hue Province, A Luoi, Sao La; 10 Jun. 2018; Nguyen V.T. leg.; light trap; IEBR .

Remarks

In comparison with the specimens examined by Gauld & Mitchell (1981), Vietnamese specimens have greater ICI (0.54–0.65 vs 0.46–0.49), and smaller SDI (1.07–1.18 vs 1.10–1.25).

Distribution

Previously known from Brunei, China (including Taiwan), India, and Japan (Yu et al. 2016). These are the first records of this species from Vietnam.