Exochus ventralis Holmgren, 1858

Choi, Jin-Kyung, Kolarov, Janko & Lee, Jong-Wook, 2016, A taxonomic review of the genus Exochus Gravenhorst (Hymenoptera: Ichneumonidae: Metopiinae) from South Korea with descriptions of ten new species, Journal of Natural History 50, pp. 2327-2367 : 2359-2360

Exochus ventralis Holmgren, 1858

( Figures 5e, l )

Exochus ventralis Holmgren, 1858: 305 – 394 . Lectotype: female; Type depository: NR.

Specimens examined

( South Korea) 1 male, GG Ganghwa-do, Hwado, Manisan , Heungwang-ri, 24 September 1994, H .S. Won; 1 male, GN Jinju-si, Gajoa-dong , 9 June 1987, J .K. Kim; 1 female, ditto, 20 June 1989, J .K. Kim.

Diagnosis

Male. Body length 7.0 – 7.5 mm. Antenna with 34 flagellomeres.

Head strongly convex, upper face with long projection and recurved; between antennal sockets with vertical ridge; dorsal margin of eyes with triangular yellow spots. Face black except margin of projection. Malar space black ( Figure 5e ). Pronotum sunken. Scutellum and postscutellum black. Propodeum without area superomedia ( Figure 5l ); area externa with hairs; area dentipara without hair; spiracle of propodeum ellipse; metapleuron glabrous. Vein cu-a of hindwing intercepted at lower 0.3, with vein Cu1. Tergite 1 with short and broad dorsal longitudinal carina, not reaching central area of tergite 1, almost parallel; median longitudinal area of tergites 1 and 2 without hair. Tergite 3 with epipleuron semicircular.

Distribution

South Korea (new record), Austria, Belgium, France, Poland, Romania, Russia, Sweden, Ukraine.

Figures

Figure 5. Head in frontal view. (a) Exochus momoii; (b) Exochus nigrifaciatus; (c) Exochus selenanae; (d) Exochus velatus; (e) Exochus ventralis; (f) Exochus vexator; (g) Exochus villosus; (h) Exochus momoii; (i) Exochus nigrifaciatus; (j) Exochus selenanae; (k) Exochus velatus; (l) Exochus ventralis; (m) Exochus vexator; (n) Exochus villosus. Scale bar = 0.2 mm.