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 flavomarginatus Holmgren, 1856 ( Figures 4e , 7e ) Exochus fl avomarginatus Holmgren, 1856: 75 . Type : male, lost. Specimens examined ( South Korea ) 1 male , GB Gyongsan-si, Yeungnam Univ., 22 May 1990 , J. R . Lee; 1 male , GN Mylyang-si , Cheonhwangsan Sajapyeong , 23 June 1989 , J .K. Kim; 1 male , GN Hapcheon-gun, Haeinsa, 15 May 1987 . Diagnosis Male. Body length 5.0 7.5 mm . Antenna with 36 flagellomeres. Head strongly convex, upper face with long projection and recurved; between antennal sockets with vertical ridge; dorsal margin of eyes with small triangular yellow spots. Malar space black ( Figure 4e ). Pronotum weak sunken. Scutellum and postscutellum black, partly dark brown. Propodeum with area superomedia but sometimes indistinct ( Figure 7e ); area externa with hair; area superomedia and area dentipara without hair; spiracle of propodeum oval, not connected pleural carina; metapleuron glabrous. Vein cu-a of hindwing intercepted at lower 0.3, with vein Cu1 of hindwing trace. Tergite 1 with dorsal longitudinal carina, reach over at central area of tergite 1, upcurved in basal area; between dorsal longitudinal carinae without hair. Tergite 3 with epipleuron wedgeshaped, the basal part not convex. Distribution South Korea (new record), Austria , Azerbaijan, Belgium , Czech Republic , Finland , France , Georgia, Germany , Hungary , Ireland , Italy , Japan , Lithuania , Moldova , Mongolia , the Netherlands , Norway , Poland , Romania , Russia , Spain , Sweden , Turkey , Ukraine , United Kingdom .