Ctenichneumon caeruloventris, Riedel, 2019

Riedel, Matthias, 2019, Contribution to the Ichneumoninae (Hymenoptera, Ichneumonidae) of Nepal, Linzer biologische Beiträge 51 (2), pp. 1119-1162 : 1129-1130

Ctenichneumon caeruloventris nov.sp. (figs 12-14)

Holotype: ♀ " Nepal, Khumbu Khumdzung 3900 m, 11.7.62, leg. G. Ebert u. H. Falkner " ( ZSM).

Paratypes: ♀ " Nepal, Prov. Karnali, 29°09´58´´N 82°29´13´´E, Churta E Bavana-Pass, 3000-3700 m, 01.VI.2007, leg. F. Creutzburg " (Erfurt); ♀ " Nepal, Prov. Karnali, Umg. Churta E Hochtal, 02.VI.-04.VI.2007, 3500- 400m, leg. F. Creutzburg " (Erfurt); ♀ " Nepal, Maharigaon Nord, 29°21´24´´N 82°23´21´´E, 3400 m, 20.06.1997, leg. Creutzburg " ( SDEI) .

D e s c r i p t i o n: ♀: Body length 13-14 mm. Flagellum slightly lanceolate, with 45- 47 flagellomeres; 1 st flagellomere 1.8-2.1x longer than wide, 2 nd flagellomere 1.4x longer than wide, 5 th flagellomere square, widest flagellomeres c. 1.5x wider than long. Head with erected brown hairs. Temple long, slightly narrowed behind eye, dorsally c. 1.3x as long as eye. Distance of lateral ocellus to eye 1.2-1.4x ocellar diameter. Occiput with transverse rugae. Frons coarsely rugose-punctate. Face with coarse punctures and with transverse rugae medially. Clypeus flat, with scattered punctures. Gena smooth, with very scattered punctures ventrally. Malar space 1.1-1.3x longer than width of mandibular base. Mandible blunt, with two teeth, lower tooth smaller. Genal carina reaching hypostomal carina away from mandibular base, both carinae low.

Mesosoma with erected brown hairs. Notaulus not distinctly impressed. Mesoscutum densely rugose-punctate, median field with some longitudinal rugae. Mesopleuron and metapleuron coarsely rugose-punctate; speculum completely punctate. Juxtacoxal carina indistinct. Scutellum slightly convex, as long as wide, without lateral carina, with scattered punctures. Propodeum coarsely rugulose-punctate. Area superomedia about square; costula absent. Outer dentiparal edge with narrow lamella, not tooth-like. Mid and hind coxae with very scattered punctures ventro-apically, shining; hind coxa without scopa. Hind femur slender, 4.7-4.8x longer than wide, with very scattered punctures.

Claws not pectinate. Areolet pentagonal, frontal distance of intercubiti c. 3x their width; 2nd recurrent vein

reaching areolet distal of the middle. Nervulus shortly postfurcal (1x its width).

Metasoma strongly amblypygous. Postpetiole widened apically, without distinct dorsal carina; median field elevated and with fine aciculation. Gastrocoelus distinctly impressed and with fine longitudinal striae; thyridium indistinctly impressed. 2 nd tergite 1.2x wider than long, densely punctate and basally with longitudinal rugae, shining. 3 rd tergite with finer punctures, 4 th tergite with very superficial punctures; all tergites strongly shining. 2 nd and 3 rd sternites with weak median folds. Ovipositor sheath not extending behind metasomal apex.

Colour: Flagellum black. Body black, with ± bluish shine; metasoma strongly metallicblue. All coxae, trochanters and trochantelli black; legs otherwise red; hind tibia infuscate in apical 1/5-1/10; all tarsi blackish. Wings with brownish tint, pterostigma yellowish-red.

♂ unknown.