Exochus flavomarginatus Holmgren, 1856

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 : 2349

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.

Figures

Figure 4. Head in frontal view. (a) Exochus argutus; (b) Exochus britannicus; (c) Exochus consimilis; (d) Exochus destitutus; (e) Exochus flavomarginatus; (f) Exochus frontellus; (g) Exochus gratus; (h) Exochus gravipes; (i) Exochus guttatus; (j) Exochus lictor; (k) Exochus lineifrons; (l) Exochus mitratus. Scale bar = 0.2 m m.

Figure 7. Propodeum in dorsal view. (a) Exochus argutus; (b) Exochus britannicus; (c) Exochus consimilis; (d) Exochus destitutus; (e) Exochus flavomarginatus; (f) Exochus frontellus; (g) Exochus gratus; (h) Exochus gravipes; (i) Exochus guttatus; (j) Exochus lictor; (k) Exochus lineifrons; (l) Exochus mitratus. Scale bar = 0.2 m m.