A Revision of some Western Palaearctic Oxytorine Genera Part II Genus Eusterinx (Hymenoptera, Ichneumonidae) By G. van Rossem Plant Protection Service Wageningen Abstract A key to the Palaearctic Oxytorine Genera is given. A new Genus Proeliator is introduced with two new species, viz. P. proprius (Type species) from the Palaearctic and P. captiosus from Alaska (U.S. A.). Redescriptions of Western Palaearctic species of Eusterinx Förster are presented with keys for the identification. Five new species are proposed: E. aquilonigena; E. circaea; E. disparilis; E. tarta-rea; E. refractaria. The Genus Ephalmator van Rossem, 1980 is a synonym of Plectiscidea Viereck, 1914. Acknowledgements The author is particularly grateful to Dr. Henry Townes for sending his extensive series of Euste-rinx and some related material. I was privileged to study the Förster collection in the Zoologische Staatssammlung at München and I thank Dr. E. J. Fittkau and Mr. E. Diller for their kind hospitality. For the loan of important type material and specimens I am indebted to the following persons : Dr. E. Haeselbarth, München; Dr. L. Hoberlandt, National Museum of Natural History, Praha; Prof. Dr. habil. G. Morge, Custodia Dipterorum Collectionis Strobl, Eberswalde-Finow (DDR); Drs. C. J. Zwakhals, Arkel (Netherlands). Key to the palaearctic genera of Oxytorinae^) 1 . Hind margin of apical truncation of scape membranous and in dried specimens somewhat infolded, the scape inflated and with a very oblique apical truncation. Areolet absent. Ovipositor shorter than apical truncation of gaster. First tergite long and approximately straight,itsspiracleator in front ofmiddle Megastylus -Hind margin of apical truncation of scape not membranous. Otherwise not entirely as above 2 On the ground of the key by TowNES, 1971 149
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