Exochus ornatus Momoi & Kusigemati, 1970

Lee, Jin-Kyung Choi and Jong-Wook, 2021, Four newly recorded species of the genus Exochus (Hymenoptera: Ichneumonidae: Metopiinae) from South Korea, Journal of Species Research 10 (4), pp. 412-418 : 414-416

2. Exochus ornatus Momoi & Kusigemati, 1970 ( Fig. 2 )

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Exochus ornatus Momoi & Kusigemati, 1970: 401-415 . Type: female; type depository: HU.

Diagnosis. Generally black ( Fig. 2A ). Face sparsely punctate with dense hairs, face dark brown and upper face pale yellow ( Fig. 2B ); apical margin of clypeus round and brown; malar space and mandible pale yellow; inner orbits with pale yellow line from frons to vertex ( Fig. 2C ); occipital carina present. Antenna with 29-31 flagellomeres and dark. Pronotum with distinct epomia, black, shiny; upper area with yellow line ( Fig. 2D ); mesoscutum finely punctate with notaulus; tegula yellow; mesoscutellum and postscutellum dark brown; basal and areola area not separated and glabrous ( Fig. 2E ), costula weak, median longitudinal carinae complete; spiracle linear, not reach to pleural carina; metapleuron grabrous. Hind wing with five distal hamuli. Legs yellowish brown, hind coxa dark reddish brown. Hind tarsal claw simple. Ovipositor shorter than hind tibia.

Material examined. SOUTH KOREA: Jollabuk-do, Jeongeup-si, Yongsan-dong, M. T ., 1 site, 21.iv-22.v.2004, M.K. Yun, 1$(Deposited in NIBR); ditto, 1$(Deposited in DNUE-IIEI); Gyeonggi-do, Namyangju-si, Choanmyeon, Songchon-ri, Mt. Ungilsan , Alt. 99 m, M. T., N37°34′43.2″, E127°18′40.1″ , 1-26.v.2009, J.O. Lim, 1$(Deposited in DNUE-IIEI) .

Distribution. South Korea (new record), China, Japan. Region. Eastern Palearctic, Oriental.

Host record. Unknown.

Figures

Fig. 2. Exochus ornatus Momoi & Kusigemati, 1970.A. habitus of female in lateral view; B. head in frontal view; C. head in dorsal view; D. head and mesosoma in lateral view; E. scutellum and propodeum in dorsal view; F. wings; G. tergite I in dorsal view. Scale bars: B, C, F, G, 0.2 mm; D, F, 0.5 mm.