Dusona longicauda (Uchida 1928)

Female. Body length 10.0–13.0 mm. Color: Face and mesosoma black. Mandible yellow except basal part black. Tegula blackish brown. All coxae to trochentellus black; fore leg yellowish brown except femur ventrally dark brown; middle leg blackish brown except tibia yellowish brown; hind leg blackish brown. 2nd tergum on 0.25 apically to 4th tergum reddish brown. Ovipositor reddish brown and ovipositor sheath black. Head: Frons slightly depressed, with fine punctures and with median longitudinal carina. Antennal flagellum with 41-45 segments. Antennal carina low and narrow. Face moderately convex, densely punctated (Fig. 4X). Clypeus not separated from face, with round apical edge. Mandible tapered to apex, lower tooth as long as upper tooth. Malar space as long as half basal width of mandible. Mesosoma: First radius of fore wing originated weakly before middle of pterostigma. Areolet large, without stalk (Fig. 5X), 2nd recurrent vein begin a little before middle of areolet. Nervellus inclivous, intercepted in lower 0.5, discoidella faint. Hind wing with 6-7 distal hamuli. Propodeum without areola but basal transverse carina distinct. Metasoma: Epipleurum separated from the 3rd tergum, the crease marked with black line (Fig. 7L). 1st tergum 5.2 times as long as wide, 2nd tergum 2.4 times as long as wide. Ovipositor upcurved, longer than hind tibia.

Korea (new record), China, Japan and Russia (Khabarovsk, Krasnoyarsk, Primor’ye, Sakhalin).