Pristaulacus rufobalteatus Cameron, 1907

Chen, Hua-yan, Turrisi, Giuseppe Fabrizio & Xu, Zai-fu, 2016, A revision of the Chinese Aulacidae (Hymenoptera, Evanioidea), ZooKeys 587, pp. 77-124: 113-116

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Pristaulacus rufobalteatus Cameron, 1907


Taxon classification Animalia Hymenoptera Aulacidae

Pristaulacus rufobalteatus Cameron, 1907  Figs 111, 112-117, 118-121, 122

Pristaulacus rufobalteatus  Cameron, 1907: 222.

Pristaulacus rufobalteatus  Cameron: Smith 2001: 297; Turrisi et al. 2009: 58.

Material examined.

1 ♀ ( IZCAS), CHINA: Yunnan, Jingdong, 1200 m, 6.III.1957, IOZ(E) 1903968; 1 ♀ ( IZCAS), Yunnan, Lushui, 1900 m, 8.VI.1981, Su-bo Liao, IOZ(E) 1903969; 1 ♀ ( IZCAS), CHINA: Gansu, Kang County, Qinghe Forestry Station, 2250 m, 8.VII.1999, Hong-jian Wang, IOZ(E) 1903970.


Metasoma black with first tergite largely brown; fore hyaline with dark brown spot under stigma; occipital margin straight; occipital carina 0.1 × diameter of an ocellus; pronotum with one anteroventrally projecting tooth-like process; pretarsal claw with four tooth-like processes; ovipositor 0.9 × forewing length.


Female. Body length 8.7 mm; forewing length 6.8 mm.

Colour. Antenna black with scape yellowish-orange; head black with clypeus dark brown; mesosoma black; first tergite largely brown, and remainder of tergites black; mandible brown with teeth darker; palpi brown; coxae black, femur and tibia dark brown, remainder of legs yellowish-orange with tarsi paler; ovipositor brown; fore hyaline with dark brown spot under stigma; hind wing hyaline.

Head. From above, 1.4 × wider than long, shiny; lower interocular distance 1.5 × eye height; malar space 0.3 × eye height; occipital margin straight; temple, from above, rounded, slightly shorter than eye length; occipital carina 0.1 × diameter of an ocellus; POL:OOL=1.3; lower frons and clypeus densely and finely punctate, remainder of head largely smooth with sparse and fine punctures; A3 3.7 × longer than wide; A4 6.6 × longer than wide, and 1.7 × longer than A3; A5 6.2 × longer than wide, and 1.5 × longer than A3.

Mesosoma. Pronotum coarsely rugose, with one anterior small process on lateroventral margin; propleuron dull, densely punctate ventrally, finely rugose with small smooth area dorsally; 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 anterior and posterior margin; axillae coarsely areolate-rugose; metanotum coarsely rugose; propodeum largely coarsely areolate-rugose, coarsely rugose in middle; mesopleuron coarsely areolate-rugose posteriodorsally, remainder rugose; 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 1.3 × of tarsomeres 2-5; pretarsal claw with four tooth-like processes.

Metasoma. Smooth, shining, with fine white pubescence on segment 2 to apex; petiole elongate, 2.4 × longer than wide; ovipositor 0.9 × forewing length.

Male. Unknown.


China (Gansu, Yunnan); India ( Cameron 1907).


Collected in March, June and July. Host not known.


This is a newly recorded species for China.