Pristaulacus centralis, 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 : 89-93

Taxon classification Animalia Hymenoptera Aulacidae

Pristaulacus centralis sp. n. Figs 24, 25-30, 31-34, 122

Material examined.

Holotype, ♀ (IZCAS), CHINA: Hubei, Zigui, Mt. Jiulingtou, 250 m, 27.VII.1993, Xiao-lin Chen, IOZ(E) 1903961.

Etymology.

From the Latin adjective “centralis”, meaning "placed in the middle", a noun in apposition.

Diagnosis.

Forewing with only one brown spot below stigma; metasoma mostly yellowish-brown with first tergite largely black; occipital margin concave, with a strongly wide and deep medial groove; pronotum with one anteroventrally projecting tooth-like process; mesoscutum mostly transverse-carinate; pretarsal claw with four tooth-like processes; ovipositor 1.6 × forewing length.

Description.

Holotype. Female. Body length 14.2 mm; forewing length 9.4 mm.

Colour. Antenna black with scape yellowish-orange; head black with clypeus orange; mesosoma black; metasoma mostly yellowish-brown with first tergite largely black; mandible orange with teeth dark brown; palpi dark brown; hind coxa black, remainder of legs yellowish-orange with tarsi paler; ovipositor sheath black; forewing infuscate, with dark brown spot under stigma; hind wing hyaline.

Head. From above, 1.3 × wider than long, shiny; lower interocular distance 1.4 × eye height; malar space 0.4 × eye height; occipital margin concave, with a strongly wide and deep medial groove; temple, from above, rounded, slightly shorter than eye length; occipital carina 0.8 × diameter of an ocellus; POL:OOL=1.1; frons, clypeus and marlar space densely and finely punctate; vertex and temple largely smooth with sparse and fine punctures; A3 6.5 × longer than wide; A4 8.7 × longer than wide, and 1.3 × longer than A3; A5 9.6 × longer than wide, and 1.1 × longer than A3.

Mesosoma. Pronotum coarsely areolate-rugose, with one anterior short tooth-like process on lateroventral margin; propleuron dull, largely finely rugose or punctate with small smooth area posterodorsally; mesoscutum mostly transverse-carinate, coarsely rugose on sides, anterior part slightly emarginate medially, rounded laterally; notauli deep and wide; scutellum transverse-carinate in middle, coarsely rugose on posterior margin; axillae, metanotum and propodeum coarsely areolate-rugose; mesopleuron mostly coarsely areolate-rugose with small rugose area anteriodorsally; metapleuron coarsely areolate-rugose; forewing with vein 2-rs+m short, cells SM2 and D1 slightly separated; hind wing with veins somewhat distinct, cells Cu and R1+Rs contiguous; hind coxa transverse-carinate; hind basitarsus 9.5 × 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, slender, 4.5 × longer than wide; ovipositor 1.6 × forewing length.

Male. Unknown.

Distribution.

China (Hubei).

Biology.

Collected in July. Host not known.