Gasteruption coloratum, Zhao, Ke-xin, Achterberg, Cornelis van & Xu, Zai-fu, 2012

Zhao, Ke-xin, Achterberg, Cornelis van & Xu, Zai-fu, 2012, A revision of the Chinese Gasteruptiidae (Hymenoptera, Evanioidea), ZooKeys 237, pp. 1-123 : 30-32

Gasteruption coloratum sp. n. Figs 71-78

Type material.

Holotype, ♀ (ZJUH), "[China:] Xinjiang, Kuerle, 1985, En-zhen Wang".

Diagnosis.

Head subtruncate medio-posteriorly; posteriorly vertex moderately convex in lateral view (Fig. 71); head black dorsally; hind coxa and femur yellow- or orange-brown; hind tibia black and subbasally ivory and less swollen (Fig. 74); hind basitarsus mainly ivory and only basally dark brown and second segment medially ivory (Fig. 74); metasoma yellow-brown; mesoscutum rather densely setose laterally (Fig. 73); mesopleuron red-brown and weakly sculptured (Fig. 72); ovipositor sheath about 4.0 times as long as hind tibia and tarsus combined, 1.9 times as long as metasoma and about 7.0 times as long as hind tibia; apical 0.5 of hypopygium of female slit-like incised,; occipital carina obsolescent medio-dorsally (Fig. 76).

Description.

Holotype, female, body length 14.0 mm, of fore wing 6.5 mm.

Head. Head directly narrowed behind eyes and weakly curved laterally (Fig. 76); temple 0.6 times as long as eye in dorsal view; vertex and frons with satin sheen and rather sparsely very finely punctulate; vertex convex posteriorly (Fig. 71) and without a depression medio-posteriorly (Fig. 76); occipital carina narrow and non-lamelliform medio-dorsally (Fig. 71); third antennal segment 1.7 times as long as second segment; forth antennal segment 1.5 times as long as third segment; fifth antennal segment 1.1 times as long as third segment (Fig. 78); eye setose (Fig. 71); OOL 1.3 times as long as diameter of posterior ocellus; minimum width of malar space 0.2 times as long as second antennal segment; clypeus without directly depression.

Mesosoma. Length of mesosoma 2.2 times as long as its height; length of propleuron 0.8 times as long as mesoscutum in front of tegulae (Fig. 72); side of pronotum with satin sheen and sparsely finely punctulate, slightly rugulose, antero-ventrally distinctly rugose especially, with a distinct antero-lateral tooth; mesoscutum with satin sheen and moderately densely punctate, interspaces with small punctulate and finely rugulose (Fig. 73); posteriorly and laterally with rugulose-punctate, scutellum with punctate and irregularly rugulose; propodeum reticulate-rugose, medio-longitudinal carina indistinct.

Wings. Fore wing: first discal cell parallel-sided and with outer posterior corner rounded (Fig. 77).

Legs. Hind coxa matt, moderately slender and with transversely rugose dorsally; length of hind femur, tibia and basitarsus 4.0, 4.6 and 5.0 times as long as their width, respectively (Fig. 74); middle tarsus 1.3 times as long as middle tibia.

Metasoma. Ovipositor sheath 1.3-1.4 times as long as body, 1.9 times as long as metasoma and 7.0 times as long as hind tibia.

Colour. Red-brown; head black; antenna (except for first black basal segment) dark brown; mandible orange brown, apex dark brown; legs mainly orange brown, fore and middle tibiae laterally with ivory longitudinal patches; hind tibia black, subbasal patch ivory, basitarsus mainly ivory and basally dark brown, second tarsomere medially ivory; metasoma orange brown; ovipositor sheath black-brown, besides of apically brown; pterostigma dark brown.

Male. Unknown.

Distribution.

Palaearctic China (Xinjiang).

Etymology.

Named after the multi-coloured hind legs; “coloratus” is “coloured” in Latin.