Stantonia sumatrana Enderlein, 1908

Achterberg, Cornelis van, Long, Khuat Dang & Chen, Xue-xin, 2017, Review of Stantonia Ashmead (Hymenoptera, Braconidae, Orgilinae) from Vietnam, China, Japan, and Russia, with descriptions of six new species, ZooKeys 723, pp. 61-119 : 96-97

Stantonia sumatrana Enderlein, 1908 Figs 97, 98

Stantonia sumatrana Enderlein, 1908: 110; Shenefelt 1970: 268; van Achterberg 1987: 24, 47-48; Braet and Quicke 2004: 1579; Chen et al. 2004: 362-363, 532.

Material.

2 ♀ (IZAS), China: Guangxi, Pingxiang, 230 m & Mt. Daqing, 600-700 m; 1 ♀ (ZISP), Vietnam: Tản Lĩnh, Ba Vi, 70 km NW Hanoi, 400 m, forest; 1 ♀ + 1 ♂ (NWUX), "SW. China: Yunnan, Yaoqu, Menglun, c. 540 m, 21°93'N, 101°26'E, 5.x.2010, Jiangli Tan, NWUX"; 1 ♂ (RMNH), "Vietnam: Ninh Thuân, Núi Chúa N.P., northeast part, Mal. traps, 90-150 m, 24-30.v.2007, C. v. Achterberg & R. de Vries, RMNH’07”; 1 ♂ (IEBR), id., but dry south part, 100-180 m, 22-29.v.2007.

Diagnosis.

Antenna of ♀ 1.7-1.8 times as long as fore wing, without white or ivory segments, largely dark brown and penultimate antennal segments of ♀ at least twice as long as wide (Fig. 98); anterior tentorial pits dorsally distinctly above lower level of eyes and malar space comparatively short; frons brownish yellow medially; clypeus convex; vertex finely to moderately punctate; middle lobe of mesoscutum brownish yellow medially; mesopleuron ventrally and mesosternum yellowish brown; propodeum with satin sheen and with coarse transverse rugae; vein r-m of fore wing partly pigmented (Fig. 97); fore wing hardly darkened apically (Fig. 97); humeral plate partly brown or dark brown; ventrally hind femur interspaces between punctures of ventral face micro-sculptured and rather matt, ventrally nearly entirely yellowish; hind femur slender (Fig. 97); hind coxa with satin sheen dorsally (Fig. 97); hind basitarsus moderately slender, apex brownish or dark brown and usually distinctly erect bristly setose (Fig. 97), remainder dark brown; first metasomal tergite of ♀ with satin sheen and 2.4-2.9 times as long as its apical width; apex of first tergite and base of second tergite yellowish brown; second tergite of ♀ 1.6-1.7 times as long as wide; second metaso mal suture straight and medial area behind suture flat or nearly so; second epipleuron entirely yellow; length of ovipositor sheath 0.16-0.22 times fore wing, less than half length of metasoma; length of fore wing 4.7-6.0 mm.

Variation.

Apex of middle femur yellowish brown apically (also at inner side).

Distribution.

Indonesia (Sumatra, Java, Sulawesi), West Malaysia ( van Achterberg 1987), Singapore, Australia (Northern Territory; Queensland), China (Hainan, Guangxi, Hunan, Yunnan), Philippines (Mindanao) ( Braet and Quicke 2004), Vietnam (Ha Noi, Ba Vi, Tản Lĩnh; Ninh Thuan, Nui Chua). New record for Vietnam.