Omphale melina Yefremova & Kriskovich 1994

Omphale melina Yefremova & Kriskovich, 1994 Figs 1 E, F, 6 A – G Omphale melinum Yefremova & Kriskovich, 1994: 247, holotype ♀, Russia-Primorsky Krai, ZISP, not examined. Omphale melina Yefremova & Kriskovich: Hansson and Shevtsova (2012): 139. Material examined. • 6 ♀ 1 ♂: 2 ♀ 1 ♂ [NEFU; on cards, right antenna of ♂ on slide], China, Liaoning Province, Fushun City, Dahuofang Forestry Station, 18. VI. 2012, leg. Hui Geng, Xiang-Xiang Jin, and Jiang Liu, by sweep netting • 1 ♀ [NEFU; on card], China, Liaoning Province, Fushun City, Yuanshuailin (Marshal Mausoleum), 18. VI. 2012, leg. Hui Geng, Xiang-Xiang Jin, and Jiang Liu, by sweep netting • 1 ♀ [NEFU; on card], China, Liaoning Province, Anshan City, Qianshan, 21. VI. 2015, leg. Hui Geng, Si-Zhu Liu, Yan Gao, and Zhi-Guang Wu, by sweep netting • 2 ♀ [NEFU; on cards], China, Liaoning Province, Anshan City, Qianshan, 23. VI. 2015, leg. Hui Geng, Si-Zhu Liu, Yan Gao, and Zhi-Guang Wu, by sweep netting. Diagnosis. Female. Body length 1.2–1.5 mm, mainly yellowish white, yellow to pale brown without metallic reflection; occiput with a brown transverse stripe; along median line of mesoscutum and scutellum dark brown; 7 th tergite and apical parts of ovipositor sheaths dark brown to black; antenna with scape yellowish white, only dorsal part dark brown; pedicel yellowish white, brown at base; flagellum dark brown; fore wing hyaline, with infuscate around STV and base of MV; legs mainly yellow to yellowish white. Head (Fig. 6 A) with face with weak sculpture; frontal sulcus nearly straight, antennal scrobes meeting on frontal sulcus; frontal cross-ridge absent; clypeus semicircular 1.3–1.4 × as wide as high; mandible tridentate. Antenna (Fig. 6 B) with five flagellomeres separated from each other; scape slightly stout, 3.4 × as long as wide; pedicel 2.0 × as long as wide; flagellomeres decreasing in length distinctly from F 1 to F 5, F 1 1.2 × as long and 1.1 × as wide as F 2. Mesosoma (Fig. 6 C) with mesoscutum and scutellum with shallow reticulation; midlobe of mesoscutum with two pairs of setae; scutellum 1.2 × as long as wide; propodeum smooth, without median carina. Fore wing (Fig. 6 D) speculum closed; with 4–5 admarginal setae arising from MV and membrane just below MV; STV enlarged and subcircular, PMV 1.0–1.2 × as long as STV, radial cell bare. Metasoma (Fig. 6 F), gaster elongate, 1.7 × as long as mesosoma, longer than head + mesosoma (1.4: 1.0). Male. Body length 1.2 mm, mainly brown and with weak metallic reflection; antenna brown, only basal 1 / 3 of scape yellowish white. Antenna (Fig. 6 G) slender and longer than female, F 1 –4 with verticillate setae and the setae reaching beyond apex of flagellomere attached to; F 1 0.9 × as long and 1.2 × as wide as F 2. Gaster with an oval and transparent membranous region between 1 st tergite and 4 th tergite. Other features as in female. Host. Unknown. Distribution. China (Liaoning Province) (new record); Russia (Yefremova and Kriskovich 1994). Remarks. The male of Omphale melina is recorded for the first time in the world. The color of females collected from China is distinctly lighter than in the paratype from Russia, while the male collected from China has similar color to the paratype female from Russia (Hansson and Shevtsova (2012: figs 468–470). Both sexes of O. melina can be easily separated from other species in Omphale through its enlarged stigmal vein and non-metallic body.