Ichneumon breviscopatus, Riedel, 2018

Riedel, Matthias, 2018, Contribution to the Siberian species of Ichneumon LINNAEUS (Hymenoptera, Ichneumonidae, Ichneumoninae), Linzer biologische Beiträge 50 (2), pp. 1509-1562 : 1513-1514

Ichneumon breviscopatus nov.sp. ( figs 23 , 40 , 65 )

T y p e m a t e r i a l: Holotype: ♀ " Russia: Primorskiy kray, Samarka 70 km N Chuguyevka, 44.43 N 134.12 E, 30.v. 1993, 200 m, leg. A. Taeger " ( SDEI)

D e s c r i p t i o n: Body length 15 mm. Antenna slightly lanceolate, with 41 flagellomeres; 1 st flagellomere 1.9x longer than wide, 8 th flagellomere square, widest flagellomeres 0.62x as long as wide; preapical flagellomere 0.8x as long as wide. Temple slightly and roundly narrowed behind eye. OOD 1.4. Occiput and frons densely and coarsely rugose-punctate. Face coarsely rugose-punctate. Clypeus with scattered punctures, smooth and shining between punctures. Gena widened ventrally, 1.2x as wide as eye, with rather dense punctures in ventral 1/2. Malar space 1.0x as long as width of mandibular base and 1.0x as long as 1 st flagellomere. Genal carina complete ventrally; hypostomal carina narrow.

Mesosoma covered with brownish hairs. Mesoscutum densely rugose-punctate and ± opaque. Mesopleuron with dense punctures, striate caudally. Metapleuron coarsely rugose-punctate; coxal carina present. Scutellum almost flat, wider than long, with rather dense punctures. Area superomedia hexagonal, about as long as wide; costula absent. Hind coxa coarsely and finely punctate, with small and slightly elevated scopa. Hind femur 3.7x longer than wide, densely punctate. Hind tibia with 1-2 denticular spurs apico-externally. Tarsomeres slender, 3 rd mid tarsomere c.1.5x longer than wide.

Metasoma oxypygous, hypopygium slightly elongate. Postpetiolus strongly widened, lateral field coarsely striate-punctate, c.0.5x as wide as the median one, median field with fine regular aciculation. 2 nd tergite 0.82x as long as wide. Gastrocoelus moderately impressed, with ridges; thyridium slightly oblique, c.1.0x wider than the interval. 2 nd and 3 rd tergites very finely rugose-punctate, not distinctly striate medially. Ovipositor sheath slightly extending behind metasomal apex. Color: Black. Ring on flagellomeres 8-14 and round spots on 6th and 7th tergites ivory.

Narrow frontal orbit and scutellum yellow. 2 nd and 3 rd tergites red; 3 rd tergite diffusely infuscate basally and apically. Legs black; fore and mid femora apically, fore and mid tibiae frontally and fore tarsus frontally reddish; hind tibia diffusely dark reddish medioexternally. Wings with slight yellowish tint, pterostigma yellow-red.

Males unknown.

T a x o n o m i c a l r e m a r k:Thenewspeciesrunstogroup E 1 sensu Hilpert. It is closely related to Ichneumon tuberculipes WESMAEL which might also have the 2 nd and 3 rd tergites ± reddish, but differs by the narrow hypostomal carina, complete genal carina, densely punctate hind femur and shorter 1 st flagellomere.

Figures

Figs 21-26: Head from dorsal of: (21) Ichneumon berlovi nov.sp.; (22) I. brevipunctatus nov.sp.; (23) I. breviscopulatus nov.sp.; (24) I. genator nov.sp.; (25) I. granulatus nov.sp.; (26) I. hakassiacus nov.sp.

Figs 39-40: Hind coxa from lateral of: (39) Ichneumon brevipunctatus nov.sp.; (40) I. breviscopatus nov.sp. Figs 41-42: (41) Hind tibia of Ichneumon genator nov.sp. with multiple denticular spurs apico-externally; (42) widened mid tarsus of Ichneumon orientopodius nov.sp. Figs 43-44: Head from frontal: (43) Ichneumon mandibulatus nov.sp.; (44) I. genator nov.sp.

Figs 65-68: Postpetiolus and 2nd tergite of: (65) Ichneumon breviscopatus nov.sp.; (66) I. genator nov.sp.; (67) I. granulatus nov.sp.; (68) I. hakassiacus nov.sp.