A New Contribution to the Knowledge of the East Palaearctic Ichneumoninae (Hymenoptera, Ichneumonidae) Author Riedel, Matthias text Linzer biologische Beiträge 2021 53 1 171 240 journal article 10.5281/zenodo.13153969 0253-116X 13153969 Ichneumon oehlkei nov.sp. ( figs 51 , 64 , 76 ) H o l o t y p e: ( ♀ ) "Asia [ Tajikistan ], Dushanbe , Ansor-Pass, 3400 m , 8.VII.1987 , J. Oehlke leg." (SDEI). E t y m o l o g y: The name of this new species is dedicated to the entomologist J. Oehlke who collected and generously donated this species to the SDEI. D e s c r i p t i o n: ♀ : Body length 12.5 mm . Flagellum almost filiform, with 44 flagellomeres; 1 st flagellomere 2.1× longer than wide, c. 16 th flagellomere square, widest flagellomeres about square; preapical flagellomere 0.67× as long as wide. Head covered with short brownish hairs. Temple moderately and roundly narrowed behind eyes, dorsally 0.7× as long as eye. OED 1.8× and OOD 1.8× ocellar diameter. Frons punctate. Face densely punctate. Clypeus almost flat, with scattered punctures. Gena 1.2× as wide as eye, with scattered punctures ventrally. Mandible with blunt upper tooth, lower tooth very small and only indicated as small indentation. MI 1.1; malar space 0.85× as long as 1 st flagellomere. Genal carina complete, reaching hypostomal carina far from mandibular base; both carinae low. Mesosoma covered with brownish hairs. Mesoscutum densely punctate and strongly shining. Mesopleuron densely punctate, rugose-punctate in posterior half. Metapleuron coarsely and densely rugose-punctate; juxtacoxal carina present. Scutellum slightly elevated, slightly wider than long, with fine scattered punctures, with lateral carina in anterior 0.3. Propodeum rugose. Area superomedia slightly trapezoid, 1.1× longer than wide; anterior transversal carina absent. Hind coxa with rather dense punctures in apical half, with fine dense punctures and weak brownish scopa apico-ventrally. Hind femur slender, 4.1× longer than wide, with scattered punctures in ventral half. Tarsi slender, 3 rd mid tarsomere 1.6x longer than wide. Metasoma oxypygous, hypopygium short. Postpetiolus moderately widened; lateral field coarsely rugose, 0.65× as wide as median field; median field with c. 15 rather coarse striae. 2 nd tergite 0.80× as long as wide. Gastrocoelus distinctly impressed, with strong ridges. Thyridium almost transverse, 0.85× as wide as the interval. 2 nd and 3 rd tergites densely rugose-punctate, anterior 2/3 of 2 nd tergite striate medially. Ovipositor sheath extending behind metasomal apex by 0.7× length of 7 th tergite. Color: black. Flagellomeres 6-15 yellowish. Mandible medially red. Head, mesosoma and metasoma entirely black. Coxa and trochanters black; legs including trochantelli otherwise red; hind tibia black in apical 0.15; hind tarsus black. Wings slightly infuscate; pterostigma chestnut-red. ♁ unknown. R e m a r k: This new species resembles Ichneumon melanosomus WESMAEL , but differs by its entirely black metasoma, slenderer hind femur with scattered ventral punctures and the modified form of mandible.