Exochus destitutus Tolkanitz, 2003

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 : 2348-2349

Exochus destitutus Tolkanitz, 2003

( Figures 4d , 7d )

Exochus destitutus Tolkanitz, 2003: 1211 – 1214 . Type: female; Type depository: ZI.

Specimens examined

( South Korea) 1 male, GW Inje-gun, Bangdaesan, Maehwa-dong, 26 June 1996, J.W. Lee; 1 male, GG Eljeongbu-si, Sanghowon, 11 June 1998, C.Y. Yoon.

Diagnosis

Male. Body length 4.0 – 4.8 mm. Antenna with 21 flagellomeres.

Head convex, upper face with long projection; between antennal sockets without vertical ridge; dorsal margin of eyes with triangular yellow spots connected to margin between antennal socket and eye. Face, mandible and malar space yellow ( Figure 4d ). Pronotum weakly sunken and glabrous except sub-upper area; epomia absent. Scutellum and postscutellum yellow. Propodeum smooth without area superomedia, lateromedian longitudinal carinae incomplete and apical transverse carina absent; area externa with hairs and area dentipara glabrous ( Figure 7d ); spiracle of propodeum small and oval, not connected to pleural carina; metapleuron glabrous. Vein cu-a of hindwing intercepted at lower 0.3, without vein Cu1. Tergite 1 with very weak dorsal longitudinal carina, not reaching central area of tergite 1, dorsal longitudinal carinae almost parallel; median area of tergite 1 and median longitudinal area of tergite 2 without hair; tergite 3 with epipleuron semicircular.

Distribution

South Korea (new record), Russia.

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.