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Type: Article
Published: 2022-03-03
Page range: 289-295
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The early Eocene Eourocerus anguliterreus gen. et sp. nov (Hymenoptera, Siricidae) from Republic, Washington

Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6, Canada 2Museum of Comparative Zoology, 26 Oxford Street, Cambridge, Massachusetts, 02138, United States of America 3Royal British Columbia Museum, 675 Belleville Street, Victoria, British Columbia, V8W 9W2, Canada
A.A. Borissiak Paleontological Institute, Russian Academy of Sciences, Moscow 117647, Russia 5Invertebrate Paleontology Department, Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom
Hymenoptera Siricidae

Abstract

A new fossil horntail wood wasp (Hymenoptera, Symphyta, Siricidae), Eourocerus anguliterreus gen. et sp. nov. from an early Eocene Okanagan Highlands locality at Republic, Washington, USA is described. Its forewing is most like that of the extant and fossil genus Urocerus Geoffroy, 1785. It is the third fossil siricid described from North America. We treat Xeris dorbnikensis Manukyan & Smirnova, 2021 and Xeris sp. of Manukyan & Smirnova (2021) as Urocerus dorbnikensis (Manukyan & Smirnova, 2021), comb. nov. and Urocerus sp., both tentatively belonging to the genus, Urocerus klebsi Brues, 1926 as Xeris klebsi (Brues, 1926) comb. nov., and “Afrotremex or Eriotremex sp.” of Wedmann (1998) as a species of Eriotremex Benson, 1943. A key to extant and extinct genera of Siricinae by forewing characters is given.

 

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