Review of the Western Palaearctic Ichneumon-Flies of the Genus Rhorus Förster, 1869 (Hymenoptera, Ichneumonidae: Ctenopelmatinae). Part V. The Species with Yellow Face and Reddish Metasoma

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In the fifth part of the revision of the genus Rhorus Förster, 1869, the Palaearctic species with the yellow face and reddish metasoma are considered. Nine new Western Palaearctic species are described: Rhorus carinifersp. n., Rh. chippenhamiisp. n., Rh. clypeatorsp. n., Rh. emarginatussp. n., Rh. gallicussp. n., Rh. horstmannisp. n., Rh. melanocerussp. n., Rh. savernakeisp. n., and Rh. xanthocerussp. n. These species are closely related to one another and belong to the exstirpatorius species-group; a preliminary grouping of the new and similar to them species into subgroups is undertaken. An annotated list of all the Rhorus species with indicated coloration type is provided with the descriptions or detailed diagnoses of most species. The key to 32 species includes characteristics of all 12 species-groups of the genus from Western Palaearctic including those where no species with yellow face are known. The paper is illustrated with 83 drawings and photographs of 30 species.