The West Palaearctic Dineura Species, Focussing on Sweden (Hymenoptera, Tenthredinidae)
Zootaxa 4612 (4): 501–517 ISSN 1175-5326 (print edition) https://www.mapress.com/j/zt/ Article ZOOTAXA Copyright © 2019 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4612.4.3 http://zoobank.org/urn:lsid:zoobank.org:pub:6E7892A3-D8AF-41C2-A1B8-F9D243474D73 The West Palaearctic Dineura species, focussing on Sweden (Hymenoptera, Tenthredinidae) ANDREW LISTON1,4, MARKO PROUS1,2 & HEGE VÅRDAL3 1Senckenberg Deutsches Entomologisches Institut, Eberswalder Straße 90, 15374 Müncheberg, Germany. E-mail: aliston@senckenberg.de 2Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Vanemuise 46, 51014 Tartu, Estonia. E-mail: mprous@senckenberg.de 3Swedish Museum of Natural History, Box 50007, SE-10405 Stockholm, Sweden. E-mail: Hege.Vardal@nrm.se 4Corresponding author Abstract Four Dineura species are now considered to occur in the West Palaearctic, including northern Europe, but D. parcivalvis has not been found in Scandinavia. Dineura pullior Schmidt & Walter, 1995 is treated as a new junior subjective synonym of D. virididorsata (Retzius, 1783). An illustrated key to adults is presented. Lectotypes are designated for seven nominal taxa: Dineura stilata var. virilis Enslin, 1918, Dineura testaceipes var. nigriventris Enslin, 1915, Dineura virididorsata var. dorsalis Enslin, 1915, Nematus posticus Förster, 1854, Nematus xanthocerus Hartig, 1840, Nematus xanthopus Zaddach, 1876, and Tenthredo (Allantus) stilata Klug, 1816. Distributions in the Fennoscandian countries are outlined, with particular reference to Sweden. Key words: Symphyta, Nematinae, sawflies, key, taxonomy, distribution Introduction The sawfly genus Dineura Dahlbom, 1835 has recently been considered to contain ten described extant species, eight of which have been found in the Palaearctic Realm (Taeger et al.
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