Pristaulacus obscurus, Chen, Hua-yan, Turrisi, Giuseppe Fabrizio & Xu, Zai-fu, 2016

Chen, Hua-yan, Turrisi, Giuseppe Fabrizio & Xu, Zai-fu, 2016, A revision of the Chinese Aulacidae (Hymenoptera, Evanioidea), ZooKeys 587, pp. 77-124 : 106

Taxon classification Animalia Hymenoptera Aulacidae

Pristaulacus obscurus sp. n. Figs 88, 89-94, 95-98, 122

Material examined.

Holotype, ♀ (IZCAS), CHINA: Yunnan, Nanhua County, 2400 m, 24.VI.1980, Pei-zhi Yang, IOZ(E) 1903948. Paratype, 1 ♀ (IZCAS), CHINA: Yunnan, Jingdong, Waidaba, 1250 m, 26.V.1956, Xing-chi Yang, IOZ(E) 1903949.

Etymology.

From the Latin adjective “obscurus”, meaning "dark, black", a noun in apposition.

Diagnosis.

Body and legs entirely black; forewing hyaline, with dark brown spot under stigma; occipital margin straight; lateroventral margin of pronotum with one tooth-like processes; forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated; ovipositor 0.8 × forewing length.

Description.

Holotype. Female. Body length 12.0 mm; forewing length 9.4 mm.

Colour. Black except: forewing hyaline, with dark brown spot under stigma; hind wing hyaline.

Head. From above, 1.3 × wider than long, shiny; lower interocular distance 1.7 × eye height; malar space 0.3 × eye height; occipital margin straight; temple, from above, rounded, distinctly shorter than eye length; occipital carina 0.1 × diameter of an ocellus; POL:OOL=1.0; head largely smooth except frons above and lateral antenna densely and finely punctate; A3 3.7 × longer than wide; A4 6.0 × longer than wide, and 1.6 × longer than A3; A5 6.3 × longer than wide, and 1.8 × longer than A3.

Mesosoma. Pronotum coarsely areolate-rugose, with one anterior short tooth-like process on lateroventral margin; propleuron smooth and shiny; mesoscutum transverse-carinate anteriorly, irregularly rugose posterior to notauli, anterior part strongly emarginate medially, slightly pointed laterally; notauli deep and wide; scutellum transverse-carinate medially, areolate-rugose laterally; axillae areolate-rugose; metanotum, propodeum, mesopleuron and metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m long, cells SM2 and D1 distantly separated; hind wing veins faint to absent; hind coxa transverse-carinate; hind basitarsus 8.5 × longer than wide, and 1.2 × of tarsomeres 2-5; pretarsal claw with four tooth-like processes.

Metasoma. Smooth, shining, with fine white pubescence on segment 3 to apex; petiole elongate, 3.8 × longer than wide; ovipositor 0.8 × forewing length.

Male. Unknown.

Distribution.

China (Yunnan).

Biology.

Collected in May and June. Host not known.