Polynema (Polynema) gongliuense Sharengaowa & Aishan 2025, sp. nov.

Polynema (Polynema) gongliuense Sharengaowa & Aishan sp. nov. Fig. 2 Type material. Holotype: • ♀ (ICXU) on slide (Fig. 2 L): China, Xinjiang, Gongliu, 43°13'34"N, 82°43'15"E, 5.V.2018, Qin Li et al., sweeping. Paratypes (all in ICXU): China, Xinjiang: • 1 ♀, Gongliu, 43°13'34"N, 82°43'15"E, 5.V.2018, Zhulidezi Aishan et al., sweeping; • 1 ♀, Yuli, 41°25'12"N, 86°14'24"E, 26.VII.2021, Zhulidezi Aishan et al., sweeping. Diagnosis. Antenna (Fig. 2 C) scape with cross-ridges (Fig. 2 C, D); F 4 and F 5 subequal in length and shorter than F 6; F 6 with one mps; clava shorter than combined length of three preceding flagellomeres and shorter than combined length of F 1 – F 3, with six mps. Mesoscutum with conspicuous reticulate sculpture; pronotum (Fig. 2 E) with three setae on each side along the anterior margin; propodeum (Fig. 2 G) without median carina; forewing with hypochaeta extending to posterior margin of forewing (Fig. 2 H, I). Ovipositor (Fig. 2 K) exserted beyond gastral apex by 0.3 × (0.2–0.3 ×) its own total length. Description. Female (holotype and paratypes). Body length 1560–1700 μm (n = 3). Body (Fig. 2 A) black; scape and pedicel yellowish-brown, clava dark brown, legs pale brown. Head (Fig. 2 B) in frontal view 0.8 × (0.8–1.2 ×) as high as wide. Antenna (Fig. 2 C) scape with cross-ridges, 2.7 × (2.0–2.7 ×) as long as wide (including short radicle), scape longer than pedicel, 1.7 × (1.5–1.7) as long as pedicel; pedicel smooth, 1.9 × (1.5–1.9 ×) as long as wide, 1.3 × (1.3–1.6 ×) as long as F 1; F 1 the shortest and F 2 the longest funiculars; F 4 and F 5 subequal in length and shorter than F 6; F 6 with one mps; clava 3.6 × (3.4–3.6 ×) as long as wide, shorter than combined length of three preceding flagellomeres and shorter than combined length of F 1 – F 3, with six mps. Mesosoma 1.5 × (1.5–1.7 ×) as long as wide; mesoscutum with conspicuous reticulate sculpture; scutellum and propodeum smooth; pronotum (Fig. 2 E) divided mediolongitudinally, with three setae on each side along the anterior margin; mesoscutum (Fig. 2 F) 0.7 × as long as wide, longer than scutellum; scutellum (Fig. 2 F) 0.6 × (0.6–0.8 ×) as long as wide; frenum short, separated from scutellum by a row of small foveae; propodeum (Fig. 2 G) without median carina. Forewing (Fig. 2 H) 4.1 × (4.1–4.3 ×) as long as wide; disc hyaline, densely setose beyond venation, with discal setae originating behind stigmal vein (Fig. 2 I), many of them 6.1–7.3 μm long; forewing marginal hairs are significantly shorter; longest marginal seta 0.6 × greatest width of forewing; hypochaeta extending to posterior margin of forewing (Fig. 2 H, I). Hind wing (Fig. 2 J) 50.6 × (48.8–50.6 ×) as long as wide; disc hyaline, with two rows of setae; longest marginal seta 6.5 × (6.1–6.5 ×) greatest width of hind wing. Metacoxa (Fig. 2 K) smooth, in lateral view ~ 0.9 × as long as petiole; petiole (Fig. 2 K) ~ 2.0 × (2.0–2.5 ×) as long as wide, in dorsal view without vertical striations and expanded basally. Ovipositor (Fig. 2 K) 1.3 × (1.2–1.4 ×) as long as gaster, exserted beyond gastral apex by 0.3 × (0.2–0.3 ×) its own total length; ovipositor 2.8 × (2.5–2.8 ×) length of mesotibia and 2.4 × length of metatibia. Measurements of the holotype (μm). Head height: width: 93: 114; mesosoma (in dorsal view) length: width: 216: 148; mesoscutum length: width: 87: 125; scutellum length: width: 53: 88; median carina length: 20; petiole length: width: 69: 35; gaster length: width: 369: 181; ovipositor length: 480; exserted part of ovipositor: 123; antennal segments length: width: scape: 64: 24; pedicel: 38: 20; F 1: 29: 8; F 2: 60: 8; F 3: 51: 7; F 4: 34: 9; F 5: 36: 11; F 6: 41: 14; clava: 86: 24; forewing length: width: 656: 161; longest marginal seta length: 101; discal setae length: 6–7; hind wing length: width: 506: 10; longest marginal seta length: 65; mesotibia length: 173; metatibia length: 203. Male. Unknown. Hosts. Unknown. Etymology. This species is named after its type locality. Distribution. China (Xinjiang). Comments. This species is relatively large in size (body length 1560–1700 μm). Its type specimens were collected in Gongliu County in Xinjiang at an altitude of 1220 m and in Yuli County at 890 m. The species has cross-ridges on the scape, a feature that is relatively rare within the subgenus. The marginal hairs on the forewings are significantly shorter than those of other, similar species. Polynema (Polynema) gongliuense is very similar to the European P. (Polynema) valkenburgense Soyka in the following: the scape has distinct cross-ridges; F 6 with one mps; the longest marginal setae on the forewing are shorter than the maximum wing width; and the ovipositor is distinctly exserted. The difference between them is as follows: the forewing 4.1 × as long as wide in the former but 3.5 × in the latter species; the longest marginal seta 0.6 × greatest width of forewing in the former but 0.2 × in the latter species; F 3 shorter than scape in the former but subequal in length in the latter species. Propodeum without median carina in the former but with a short median carina in the latter species (Soyka 1950).