Cosmocomoidea oxypygus (Foerster, 1856)

(Figs 19–22)

Gonatocerus oxypygus Foerster 1856: 118 . Type locality: unknown ( Europe, most likely Aachen or its environs, North Rhine- Westphalia, Germany).

Gonatocerus (Cosmocomoidea) oxypygus Foerster: Triapitsyn 2013a: 150 –161 (taxonomic history, neotype designation, redescription, distribution, host associations).

Cosmocomoidea oxypygus (Foerster): Huber 2015: 21 (list).

Material examined. CHINA, XINJIANG, Jimsar Co., Dalongkou, 43°54'13''N 89°10'12''E, 1008 m, 14.vi.2015, on poplar ( Populus sp.) infested with idiocerine leafhoppers: H.-y. Hu group [6 ♀, ICXU] ; S.V. Triapitsyn [8 ♀, UCRC].

Redescription. FEMALE. Body length 1230–1370 µm. Body darkish brown to black.

Antenna (Fig. 19) with radicle about 0.3× total length of scape, rest of scape 2.0–2.4× as long as wide; pedicel longer than F1; F1 the shortest funicle segment, F3 a little longer than F2 or F4, F5 the longest funicle segment, following funicle segments usually progressively slightly shorter than preceding ones; mps on F5 and F6 (1 each), F7 and F8 (2 each); clava with 8 mps, 2.4–3.7× as long as wide.

Mesosoma shorter than metasoma. Propodeum (Fig. 20) with fine, subparallel submedian carinae close to each other and usually not extending to anterior margin. Fore wing (Fig. 21) about 2.8× as long as wide; longest marginal seta about 0.2× maximum wing width; disc almost hyaline, bare behind venation except for 2 setae just behind stigmal vein. Hind wing 12.5–15.3× as long as wide; disc almost hyaline; longest marginal seta 1.4–2.0× maximum wing width.

Ovipositor (Fig. 22) long, occupying entire length of gaster and markedly exserted beyond its apex, 2.9–3.3× as long as mesotibia.

MALE. Unknown from China.

Distribution. Holarctic (Triapitsyn 2013a) including China (new record, known only from its Palearctic part).

Hosts. Idiocerine leafhoppers ( Cicadellidae) listed by Triapitsyn (2013a); unknown in China.