Erdoesina maculata Kang & Hu, 2025

Kang, Ning & Hu, Hong-Ying, 2025, Biological resources of Eunotidae, Herbertiidae, Pteromalidae and Eulophidae (Hymenoptera, Chalcidoidea) from the Altun Mountain National Nature Reserve, China, with description of ten new species, ZooKeys 1233, pp. 31-54 : 31-54

Erdoesina maculata Kang & Hu sp. nov.

Fig. 5 A – G

Material examined.

Holotype. • ♀, China, Xinjiang, Ruoqiang, Altun Mountain Nature Reserve , 37°48'14.2092"N, 89°54'41.2884"E, Altitude: 3449.93 m. 16.VII.2021. Coll. Ning Kang. by sweeping net . Paratypes. • 2 ♀♀, 1 ♂, 37°48'14.2092"N, 89°54'41.2884"E, Altitude: 3449.93 m. 12.VII.2021 . (All deposited in ICXU).

Description.

Female. Length 2.2 mm (Fig. 5 A ), body dark blue, eyes and ocelli dark red with purple metallic reflections, antennal scape light yellow, pedicel brown, flagellum dark brown; legs yellow except tibiae ends white, forewing hyaline with darkened area below the marginal and stigmal vein, venation brownish.

Head in frontal view 1.45 × as broad as high (Fig. 5 B ), lower margin of clypeal curved, malar sulcus not distinct, mandible with four teeth. Antennal insertion on lower ocular line (Fig. 5 C ), antennal scape length 1.1 × eye height, pedicel longer than F 1, in lateral view 1.86 × as long as broad, funicular segments slightly broader than length, clava longer than the combined length of last two funicles, length of flagellum and pedicel combined longer than head width (1.1 ×). Head in dorsal view (Fig. 5 D ), POL 1.54 × OOL; Head in lateral view (Fig. 5 F ), malar sulcus absent, malar space 0.36 × eye height.

Mesosoma slightly convex, pronotum short, mesoscutum 2.07 × as broad as long, notaular lines shallow and incomplete, scutellum 1.48 × as broad as long, frenal line not distinct (Fig. 5 G ). Propodeum smooth, median carina and plicae raised and complete; nucha short, rectangular smooth without reticulation. Forewing infuscate below the marginal vein and stigmal vein (Fig. 5 E ), speculum large and open below, basal cell bares except a few hairs apically, marginal vein 1.43 × postmarginal vein, postmarginal vein 1.1 × as long as the stigmal vein.

Gaster petiole short rectangular, slightly longer than thorax, the length of each segment uniform, the ovipositor does not protrude significantly from the end of the abdomen.

Male. Length 2 mm, body smaller, gaster flat, antennal flagellum with whorled finer setae.

Hosts.

Unknown.

Etymology.

“ maculata ” means dark spot, signifying the dark area of the female forewings.

Diagnosis.

The genus includes two species ( Noyes, 2019): E. alboannulata mainly found in Europe and Central Asia, which has distinctly enlarged femora, gaster rounded, forewing marginal vein 1.5 × as long as the stigmal vein, and basal cell bare; and E. boarmiae which has the marginal vein 1.3 × as long as the stigmal vein, ovipositor slightly protruding from the end of the abdomen, head in dorsal view POL 1.05 × OOL, and the combined length of two annuli and F 1 as long as scape. The morphology of the new species is significantly different from the above two species.

Figures

Figure 5. A – G Erdoesina maculata Kang & Hu, sp. nov., female holotype A habitus, lateral view B head, frontal view C antenna D head, dorsal view E forewing F head, lateral view G mesoscutum. Scale bars: 500 μm (A, B, D, E, G); 200 μm (C, F).