Listrodromus crassipes (CAMERON 1907)

Riedel, M., 2011, Contribution to the Ichneumoninae (Hymenoptera, Ichneumonidae) of Southeastern Asia: 1. Tribes Clypeodromini, Listrodromini, Goedartini, Compsophorini, and Platylabini, Linzer biologische Beiträge 43 (2), pp. 1549-1572 : 1553

Listrodromus crassipes (CAMERON 1907)

M a t e r i a l: Malaysia, Pahang, 30 km northeast of Raub 300 m, Lata Lembik, 3°56´N 101°38´E, 1 iv-v.2002, leg. E. Jendek & O. Sausa (Linz) ; Vietnam South : Dak Lak, Chu Yang Sin N.P. Krong K`Mar, Malaise traps 840-940 m, 1 2-10.vi.2007, leg. C. Van Achterberg and R. de Vries (Leiden) .

R e d e s c r i p t i o n of:

Body length 7-8 mm. Flagellum short, filiform, with 21-23 flagellomeres, first flagellomere (without anellus) 2.2-2.5 times, the second one 2.5 times as long as wide, preapical flagellomeres almost square. Frons and vertex with small scattered puncture, gena almost smooth and strongly shining, face and clypeus with small dense puncture. Malar space 1.6 times as long as the width of the mandibular base. Mesosoma shining, with whitish hairs. Pronotum smooth, with small ribs on hind margin, upper margin thickened. Notauli distinct on anterior margin, mesoscutum with dense puncture in the anterior 4/5, smooth and shining behind, Mesopleura with dense puncture, sometimes with longitudinal striae, speculum smooth. Prepectal and coxal carinae strong, with transversal ribs, metapleura with coarse and dense puncture. Scutellum moderately elevated, slightly transverse, with lateral carinae in the basal 0,8, almost smooth. Propodeum with complete carination and coarse puncture, spiracles oval (index 2.0). Coxae with dense puncture, hind coxa without scopa. Hind femur about 3.2-3.4 times as long as high. All claws with strong teeth.

Areolet narrowed in front, minimal distance of intercubiti about 3-4 times their width, 2m-cu before or in the middle of areolet. Nervulus of front wing interstitial.

Metasoma amblypygous. Postpetiole moderately widened to the apex, without distinct dorsal carinae, almost smooth with coarse but scattered puncture. Second tergite 0.65-0.7 times as long as wide, gastrocoeli and thyridia transverse, each thyridium 0.8-1.0 times as wide as their interval, third tergite transverse, 0.5-0.6 as long as wide, second and third tergites with coarse and dense, sometimes striate rugulo-puncture, smooth in the apical 0.1-0.2, following tergites smooth and shining.

Colour black. Flagellum yellowish beneath and reddish above. Ivory or yellowish are mandibular base, face and clypeus except a dark central stripe, frontal orbits, stripe on outer orbits, scape, upper margin of pronotum, subalar ridge, scutellum, sometimes postscutellum, apical band of postpetiole, apical bands or dorsolateral spots of tergites 2 and 3, transversal spots on tergites 4-7, front and middle coxae and trochanters, and dorsal spot on hind coxa. Hind coxa otherwise and hind trochanter black, legs red or reddish-brown, hind femur and tibia black basally and apically, hind tiba yellowish centrally, hind tarsi black. Pterostigma dark brown.

Distribution: Known from China, India and Indonesia, new reports for Malaysia and Vietnam.