Coelichneumon nigroindicum KIM, 1955

Riedel, Matthias, 2021, A New Contribution to the Knowledge of the East Palaearctic Ichneumoninae (Hymenoptera, Ichneumonidae), Linzer biologische Beiträge 53 (1), pp. 171-240 : 177-178

Coelichneumon nigroindicum KIM, 1955

M a t e r i a l e x a m i n e d: China, Jilin province, 40 km SE Jilin city, Dashi , 43.33°N 126.34°E, 350 m, 2♀♀ 15-21.VI.2019, leg. E. Jendek (Linz) ; North Korea, Taecho Island , 42.20°N 130.30°E, 1-8.VII.2009 (coll. Riedel) .

D e s c r i p t i o n: ♀: Body length 16-19 mm. Flagellum with 48-51 flagellomeres, strongly lanceolate; 1 st flagellomere 2.2× longer than wide, combined length of 1 st and 2 nd flagellomeres 0.69× eye length, 7 th flagellomere square; widest flagellomeres c. 2.5× wider than long. Temple almost parallel or slightly and roundly narrowed behind eyes. OED 1.3× ocellar diameter. Frons densely punctate and granulate. Face densely punctate and granulate, matt. Clypeus partly with scattered punctures, shining; apical margin slightly bulging medially. Gena wide, laterally 1.2× wider than eye, with scattered punctures ventrally. MI 0.7.

Mesosoma covered with brownish hairs. Side of pronotum punctate dorsally and striate ventrally. Notaulus distinctly impressed in anterior 0.3 of mesoscutum. Mesoscutum densely punctate, granulate, ± shining. Mesopleuron and metapleuron with coarse dense punctures, partly rugose. Juxtacoxal carina present. Scutellum moderately elevated, slightly longer than wide, with fine scattered punctures, with lateral carina in anterior 0.2. Area superomedia heart-shaped, slightly wider than long, finely rugulose, sometimes confluent with area basalis. Hind coxa densely punctate and granulate, with strong scopa (0.3-0.4× coxal length). Hind femur 3.6-3.8× longer than wide, with dense punctures. 3 rd mid tarsomere slender, 1.6× longer than wide. Areolet almost quadrangular, frontal distance between 2rs-m and 3rs-m 1× their width; vein 2m-cu in its middle. Vein 1cu-a postfurcal by 2× its width.

Postpetiolus strongly widened; lateral field 0.5-0.6× as wide as median field, rugose; median field slightly elevated, with fine aciculation and some coarse punctures. Gastrocoelus strongly impressed, with oblique ridges. Thyridium almost transverse, 1.2- 1.4× as wide as the interval. 2 nd tergite 0.95× as long as wide. 2 nd and 3 rd tergites finely and densely rugose-punctate, granulate; 2 nd tergite medially aciculate. 7 th tergite 0.5-0.7×

as long as wide. Ovipositor sheath slightly extending behind metasomal apex.

Color: black. Stripes of flagellomeres 7-14, narrow frontal orbit, spot on vertex and apical 1/3 of scutellum ivory. Legs blackish; fore and mid femora apically, fore and mid tibiae frontally and fore tarsus frontally ± ochreous; hind tibia with small basal yellowish spot. Wings slightly infuscate, pterostigma black.

D i s t r i b u t i o n: Known from Korea, new record for China.