Enicospilus acutus Shimizu, 2020

Fig. 5

Enicospilus acutus Shimizu in Shimizu et al., 2020: 36; holotype ♀ from Japan (MNHA) .

Diagnosis

Interocellar area yellowish brown; clypeus weakly convex, ventral margin acute; mandible twisted 80°– 85°, outer surface without a diagonal setose groove, two teeth equal in length, upper tooth stouter than lower one; fore wing darkened anteriorly, fenestra with proximal, central and distal sclerites; mesoscutum with median lobe and posterior half black.

Material examined

VIETNAM • 1 ♂; Dong Nai Province, Vinh Cuu, Ma Da; 18 May 2007; Hoang V.T. leg.; light trap; IEBR • 1 ♀; Vinh Phuc Province, Me Linh Station for Biodiversity; 4 Jun. 2010; Hoang V.T. leg.; light trap; IEBR • 1 ♀; Lam Dong Province, Bidoup - Nui Ba NP; 3 Jun. 2013; Hoang V.T. leg.; light trap; IEBR • 1 ♀; Quang Ninh Province, Dong Son - Ky Thuong NR; 26 Jul. 2020; Hoang V.T. leg.; light trap; IEBR • 1 ♀; Cao Bang Province, Phia Oac - Phia Den NP; 22°35′18.2″ N, 105°52′33.2″ E; 1200 m a.s.l.; 22 May 2020; Hoang V.T. and Pham V.P. leg.; light trap; IEBR • 2 ♀♀; same locality as for preceding; 22°35.305′ N, 105°52.552′ E; 1216 m a.s.l.; 23 May 2020; Hoang V.T. and Pham V.P. leg.; light trap; IEBR • 2 ♀♀; same collection data as for preceding; 24 May 2020; IEBR • 1 ♀; same locality as for preceding; 3 Jun. 2020; Nguyen Q.C. leg.; light trap; IEBR • 1 ♀; Cao Bang Province, Nguyen Binh, Tinh Tuc; 3 Jun. 2020; Nguyen D.H. leg.; light trap; IEBR • 2 ♀♀; Lao Cai Province, Bat Xat NR; 22°37′37″ N, 103°37′32″ E; 1840 m a.s.l.; 29 May 2022; Pham T.N. and Dang T.H. leg.; light trap; IEBR • 1 ♀; Lai Chau Province, Sin Ho, Sa De Phin, 22°18′18″ N, 103°13′37″ E; 1760 m a.s.l.; 31 May 2022; Pham T.N. and Dang T.H. leg.; light trap; IEBR • 1 ♀; Lang Son Province, Huu Lien NR; 1 Jun. 2022; Pham V.P. leg.; light trap; IEBR • 1 ♀; Ninh Binh Province, Cuc Phuong NP; 8 Jun. 2022; Pham V.P. leg.; light trap; IEBR • 1 ♀; Hoa Binh Province, Mai Chau, Bao La; 20.7046° N, 104.9720° E; 830 m a.s.l.; 3 Jul. 2022; Phan Q.T. leg.; light trap; IEBR .

Remarks

Vietnamese specimens have the fore wing length from 14.2 to 17.0 mm, slightly shorter than Japanese specimens (16.5–18.0 mm), CI = 0.28–0.34 (vs 0.40). Otherwise, specimens agree with the description by Shimizu et al. (2020).

Distribution

Previously known from Japan and Taiwan (Shimizu et al. 2020). These are the first records of this species from Vietnam.