A taxonomic review of the genus Exochus Gravenhorst (Hymenoptera: Ichneumonidae: Metopiinae) from South Korea with descriptions of ten new species Author Choi, Jin-Kyung Department of Life Sciences, Yeungnam University, Gyeongsan, South Korea; Author Kolarov, Janko Faculty of Pedagogy, University of Plovdiv, Plovdiv, Bulgaria Author Lee, Jong-Wook Department of Life Sciences, Yeungnam University, Gyeongsan, South Korea; text Journal of Natural History 2016 2016-05-31 50 2327 2367 http://dx.doi.org/10.1080/00222933.2016.1197335 journal article 21247 10.1080/00222933.2016.1197335 9e8a020a-c322-48a0-935d-ae3ff9c1f1c2 1464-5262 3993034 B28700A7-9CA7-4AE7-9816-9C8F4CD46160 Exochus vexator Tolkanitz, 1993 ( Figures 5f, m ) Exochus vexator Tolkanitz, 1993: 92 – 105 . Type : female; Type depository: SIZ. Specimens examined ( South Korea ) 1 female , JB Jirisan National Park, Nogodan, 15 May 1983 , K.O. H; 1 female , ditto, 22 July 1989 , J .K. Kim. Diagnosis Female. Body length 6.0 mm. Antenna with 36 flagellomeres. Head convex, upper face with projection and recurved; between antennal sockets without vertical ridge; dorsal margin of eyes with triangular yellow spots. Upper face and mandible yellow, lower face and malar space black ( Figure 5f ). Scutellum and postscutellum yellow. Propodeum without area superomedia ( Figure 5m ); area externa with hair; area superomedia and area dentipara without hair; spiracle of propodeum oval; metapleuron glabrous. Vein cu-a of hindwing intercepted at lower 0.25, with vein Cu1 . Tergite 1 with dorsal longitudinal carina, reach central area of tergite 1, up-curved in basal area; between dorsal longitudinal carinae without hair. Tergite 3 with epipleuron wedge-shaped, the basal part not convex. Distribution South Korea (new record), Azerbaijan , Hungary , Moldova , Russia , Ukraine .