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 lineifrons Thomson, 1887 ( Figures 4k , 7k ) Exochus lineifrons Thomson, 1887: 193 218 . Type : unknown; Type depository: ZI. Specimens examined ( South Korea ) 1 female , CN , Seosan-si, Haemi-myeon, Daegok-ri, Hanseo Univ ., 7 May 2013 , J.G. Kim; 1 female , JN, Jeongeup-si, Jangseong-gun, Bukha-myeon, Namohanggol, 22 June 2005 , J.G. Han. Diagnosis Female. Forewing 4.5 mm , body 5.0 mm long. Lower face black and upper face yellow ( Figure 4k ). Yellow triangular marks and yellow inner orbits confluent. Mandible and malar space yellow. Antenna with 32 flagellomeres; antenna dark blackish brown. Mesosoma black. Upper margin of pronotum yellow. Scutellum weak convex and black and yellow. Propodeum with lateromedian longitudinal carinae and costula ( Figure 7k ); area basalis and area superomedia not separated by carina. Fore and mid legs yellow. Hind coxa dark reddish brown, hind femur and tibia brown, tibia with yellow line in dorsal view, tarsus yellow. Vein Cu-a of forewing distad of vein Rs+M . Vein 2 rs-m as long as vein between 2 rs-m and 2 m-cu . Vein cu-a of hindwing intercepted at lower part, vein Cu1 of hindwing vestigial. Area between median longitudinal carinae of tergite 1 glabrous. Median line of tergite 2 glabrous. Epipleuron of third metasomal tergite semicircular. Distribution South Korea (new record), Finland , Georgia , Germany , Hungary , Moldova , Poland , Sweden , Turkey , Ukraine .