| Resumo: |
A revised key to the females of the Palaearctic species of the genus Plectiscidea Viereck, 1914 (Hymenoptera: Ichneumonidae; Oxytorinae) is given. Two new species from Siberia are described: Plectiscidea (Plectiscidea) obscura and P. (P.) spuria. Of P. (P.) subteres (Thomson, 1888) and P. (P.) melanocera (Forster, 1871) a new survey of characters is given. The holotype of Aniseres lubricus Förster, 1871 was re-examined and it is ascertained that it represents a species of Pantisarthrus Förster, 1871. One new species of the genus Aniseres Förster, 1871, is described, A. paradoxus spec, nov., and two new species of the genus Eusterinx Förster: E. (? Holomeristus) similis and E. (? Holomeristus) truculenta. A revised key to the females of the Palaearctic species of the genus Eusterinx Förster sensu lato is given.
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