Stenomalina viridis Kang & Hu, 2025

Stenomalina viridis Kang & Hu sp. nov.

Fig. 7 A – F View Figures 7

Material examined.

Holotype. • ♀, China, Xinjiang, Ruoqiang, Altun Mountain Nature Reserve , 36°58'10.8984"N, 90°14'44.916"E, Altitude: 4021.95 m, 21.VII.2020. Coll. Ning Kang, by sweeping net GoogleMaps . Paratypes. • 4 ♀ 2 ♂, 36°56'25.8576"N, 90°16'48.2376"E, Altitude: 4052.62 m, 21.VII.2020. Coll. Ning Kang, by sweeping GoogleMaps . • 2 ♀ 1 ♂, 36°58'10.8984"N, 90°14'44.916"E, Altitude: 4021.95 m, 16.VII.2020. Coll. Ning Kang, by sweeping GoogleMaps . • 50 ♀, 36°56'32.91"N, 90°16'40.4508"E, Altitude: 4047.73 m, 16.VII.2021. Coll. Ning Kang, by sweeping GoogleMaps .

Description.

Female. Body length 2.3 mm (Fig. 7 A View Figures 7 ), body green with metallic luster, eyes and ocelli dark red, scape and pedicel concolor with body, flagellum dark brown, femur dark brown except light yellow at both ends, forewing hyaline, venation brown.

Head in frontal view 1.4 × as wide as high (Fig. 7 B View Figures 7 ), clypeal suture obvious, clypeus with longitudinal striation, clypeal margin protruded with three teeth, middle tooth sharp and long, side teeth shorter. Antennal insertion above lower ocular line, distance from upper margin of torulus to lower margin of anterior ocellus 1.55 × distance from lower margin of torulus to lower margin of clypeus, scape length 0.65 × eye height, not reaching anterior ocellus, pedicel pyriform (Fig. 7 E View Figures 7 ), 1.65 × as long as broad, as long as F 1, two discoid anelli, funicular segments square, and gradually widen towards the end, calva 2.25 × as long as broad, each funicular segment with sensilla, length of flagellum and pedicel combined longer than head width (1.08 ×). Head in lateral view (Fig. 7 D View Figures 7 ), malar sulcus distinct, malar space 0.4 × eye height. Head in dorsal view, POL 1.63 × OOL.

Mesosoma slender (Fig. 7 C View Figures 7 ), pronotum anteriorly not margined, notauli incomplete, mesoscutum 1.49 × as long as broad, covered with rough reticulation, scutellum slightly convex, 1.02 × as long as broad, frenal line strongly impressed, reticulation of frenum similar to the scutellum, propodeum length 0.46 × as long as scutellum, median carina slim, plicae not distinct. Forewing costal cell with few setae apically, basal cell bare, speculum large and opened below, marginal vein 1.55 × postmarginal vein, postmarginal vein 0.65 × stigmal vein, stigma oblong with long uncus (Fig. 7 F View Figures 7 ).

Gaster sessile and oval, slightly longer than thorax, Gt 1 0.35 × length of gaster.

Male. Body length 2.1 ± 0.1 mm (Fig. 7 F View Figures 7 ), flagellum with whorled setae.

Hosts.

Unknown.

Etymology.

‘ viridis ’ means emerald green, emphasizing its distinctive body color.

Diagnosis.

The new species is similar to S. muscarum (L.), but can be differentiated by the pronotum anteriorly margined, forewing marginal vein 2.2–2.5 × stigmal vein, and male flagellum black with metallic luster.