Ichneumon nigroflagellator, Riedel, 2021
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publication ID |
https://doi.org/ 10.5281/zenodo.13153969 |
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persistent identifier |
https://treatment.plazi.org/id/351687FF-2901-A407-FF6B-FE3C0A52F995 |
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treatment provided by |
Felipe |
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scientific name |
Ichneumon nigroflagellator |
| status |
sp. nov. |
Ichneumon nigroflagellator nov.sp. ( figs 49 View Figs 47-54 , 61 View Figs 61-64 , 73 View Figs 73-76 )
H o l o t y p e: (♀) "Asia [ Tajikistan], Dushanbe, Ansor-Pass 3400 m, 8.VII.1987, J. Oehlke lg." (SDEI).
D e s c r i p t i o n: ♀: Body length 10.2 mm. Flagellum almost filiform, with>38 flagellomeres (tips broken off); 1 st flagellomere 2.2× longer than wide, 10 th flagellomere square, widest flagellomeres 1.3× wider than long. Head covered with brownish hairs. Temple rather short, slightly and roundly narrowed behind eyes, dorsally 0.65× as long as eye. OED 1.3× and OOD 1.5× ocellar diameter. Frons densely and finely rugose-punctate. Face densely punctate. Clypeus with scattered punctures. Gena 1.1× as wide as eye, with scattered punctures ventrally. Mandible not modified, lower tooth smaller than upper one. MI 1.0; malar space 0.72× as long as 1 st flagellomere. Genal carina complete, reaching hypostomal carina far from mandibular base; hypostomal carina slightly elevated.
Mesosoma covered with short brownish hairs. Mesoscutum rather densely punctate, shining. Scutellum slightly elevated, slightly wider than long, with fine scattered punctures, with lateral carina in basal 0.4. Propodeum rugose. Area superomedia rectangular, 1.2× wider than long; anterior transversal carina absent. Mid coxa with very scattered punctures ventrally. Hind coxa with scattered punctures ventrally and with a small, slightly elevated scopa apico-ventrally. Hind femur 3.6× longer than wide, with scattered punctures in ventral 1/3. Tarsi slender, 3 rd mid tarsomere 1.6x longer than wide.
Metasoma strongly oxypygous, hypopygium short. Postpetiolus moderately widened, lateral field punctate and striate, 0.5× as wide as median field; median field with fine regular striae. 2 nd tergite 0.85× as long as wide. Gastrocoelus impressed, with strong ridges. Thyridium large, slightly oblique, 1.0× as wide as the interval. 2 nd and 3 rd tergites finely and densely rugose-punctate. Ovipositor sheath not extending behind metasomal apex.
Color: black. Mandible reddish centrally. Flagellum, head and mesosoma entirely black. 2 nd tergite dark reddish-brown, apical tergites without ivory spots. Legs black; fore and mid femora apically and fore and mid tibia frontally reddish; hind femur reddish brown, darker in basal half; hind tibia black with diffuse reddish stripe centrally. Wings with distinct brownish infuscation; pterostigma black.
♁ unknown.
R e m a r k: This new species is characterized by its black head and mesosoma, dark reddish-brown 2 nd tergite and black apical tergites. In the key of Siberian Ichneumon species ( RIEDEL 2018) it runs to I. asiaticus ROMAN , but differs by its longer 1 st flagellomere, black mesosoma and higher number of flagellomeres. From I. nudicoxator nov.sp. it can be differentiated by the structure of hind coxa with small scopa and a wider area superomedia.
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