Aprostocetus mashuk Yefremova & Yegorenkova, nom. nov.

Fig. 11A–D

Aprostocetus trjapitzini (Kostjukov & Kosheleva, 2018) n. comb., nec Aprostocetus trjapitzini (Kostjukov, 1976 b) .

Kolopterna trjapitzini Kostjukov & Kosheleva, 2018: 916 .

LCID: urn:lsid:zoobank.org:act: 6537C1E1-9E99-4761-ACFC-9E054B2B2FED.

Etymology: The species name is after the collecting location, Mt Mashuk (North Caucasus, Russia).

Diagnosis: Female. Body length 1.5 mm. POL 2.8× as long as OOL. Antenna. F1 as long as F2. Gaster 1.5× as long as wide (Fig. 11A). Eyes sporadically setose. Malar sulcus present and not widened. Mid T1 1.25× longer than T2, hind T1 1.25× shorter than T2. Distance between sublateral and submedian lines 1.3× as long as distance between both submedian lines on scutellum. Mesoscutum with row of several adnotaular setae; forewing with SMV with 5 setae. MV 1.1× longer than costal cell. Gaster 1.6× as long as wide (Fig. 11A). Sheaths of ovipositor strong exerted from gaster, with numerous trichoid setae. Body yellow with dark pattern, gaster yellow with black transverse stripes. Male. Body length 1.4 mm. Antenna. Scape with ventral plaque 0.20 as long as scape, F1 1.0× as long as pedicel.

Holotype (antenna and forewing on slide no 3014, examined): Russia: ♀, Stavropol Territory, Pyatigorsk, Mashuk, 44°03'N 43°05'E, 18.viii.2005, O. Kosheleva, sweeping (ZISP).

Paratype: Russia (antenna and forewing on slide no 3015, examined, Fig. 11D): ♂, data same as holotype (ZISP) .

Distribution: Russia (North Caucasus).

Host: Unknown.