4. Epyris idaten Terayama 2006

(Figs 28–37)

Epyris idaten Terayama 2006: 97 . Figs 203, 205, 214, 3.

Material examined. Korea: 2 3, Jinae-ri, Dong-myeon, Chuncheon-si, GW, MT, 29.VI–31.VII.2007, S. Jang leg.; 2 3, ditto, MT, 25.VII–1.VIII.2005, S. Jang leg.; 13, ditto, MT, 1–8.VIII.2005, S. Jang leg.; 1 3, ditto, MT, 18– 25.VII.2005, S. Jang leg.; 13, Mureung Vally, Samhwa-dong, Donghae-si, GW, MT, 31.VIII–10.IX.2006, J. Lee leg.; 4 3, ditto, MT, 2–10.X.2006, J. Lee leg.; 13, Goyang-dong, Deokyang-gu, Goyang-si, GG, MT, 24.VIII– 6.IX.2007, J. Lim leg.; 1 3, Gwanak Arboretum, Manan-gu, Anyang-si, GG, MT, 31.VIII–14.IX.2007, J. Lim leg.; Mt. Yongmunsan, Yeonsu-ri, Yongmun-myeon, Yangpyeong-gun, GG, MT, 37°31'48.9"N, 127°34'23.8"E, 324 m, 5–18.IX.2009, J. Lim leg.; 1 3, Mt. Yeogisan, Suwon-si, GG, 8.IX.1997, J. Choi leg.; 1 3, Daejeon University, Dong-gu, Daejeon, MT, 21.VII–9.VIII.2006, J. Lee leg.; 1 3, Cheongnyangri-dong, Dongdaemun-gu, Seoul, MT, 29.VIII–5.IX.2005, D. Lyu leg.; 1 3, Mureung Vally, Samhwa-dong, Donghae-si, GW, MT, 10–20.IX.2005, J. Lee leg.; 1 3, Sumok-ri, Gyuam-myeon, Buyeo-gun, CN, MT, 17–30.VIII.2005, J. Lee leg.

Diagnosis. Body length ~ 4.9 mm; LFW ~ 3.5 mm. Mandible light castaneous except apex castaneous, palpi light castaneous, antenna castaneous. Head as long as wide (Fig. 29). Vertex straight with rounded corners. Temple profile divergent anterad. Mandible with single tooth (Fig. 30). First five antennal segments in ratio of 1.7: 1.0: 1.4: 1.8: 1.8 in length, flagellomere 1 1.6 × as long as wide, flagellomere 11 4.2 × as long as wide (Fig. 31). Clypeus with subangulate median lobe. Frons almost polished, with sparse punctures. Eye with sparse short hairs. HE 1.1 × OOL, WF 2.6 × WOT. Frontal angle of ocellar triangle right. Pronotal disc 0.6 × as long as wide (Fig. 32). Scutellar pits oval, each pit separated from each other by 1.5 × as its maximum diameter. Propodeal disc 0.9 × as long as wide with median discal carina (Fig. 34), reaching posterior carina. Metacarpus 0.8 × as long as pterostigma; transverse-median vein strongly convex posteriorly (Fig. 33). Basiparamere much longer than paramere (Fig. 36); paramere with H-shaped arm; cuspis narrow and long (Fig. 37).

Variation. Scape light castaneous to castaneous; vertex of some specimens coriaceous; median discal carina of some specimens almost reaching posterior carina; TL 4.22–5.28 mm; LH 1.02–1.07 × WH; LP 0.61–0.72 × WP; propodeal disc 0.85–0.88 × as long as wide; scutellar pit separated from each other by 1.4–1.6 × as its maximum diameter.

FEMALE. Unknown.

Distribution. Korea (Seoul, Daejeon, GG, GW and CN), Japan (Honshu and Kyushu).

Remarks. This species was known from Japan. Now, it is recorded for the first time from Korea.