Euura sagmarius
Year: 2025
Type: other
Abstract: 181 Euura sagmarius (Konow, 1895) Figs 199, 427 Amauronematus sagmarius Konow, 1895: 177–178. Lectotype designated by Muche (1975). Amauronematus viduatinus Malaise, 1931b: 40–41. Lectotype designated below. Syn. nov. Amauronematus viduatinus var. apiciscerra Malaise, 1931b: 41. Lectotype designated below. Syn. nov. Diagnosis The palest females have a nearly completely reddish head and thorax (except antenna), while the abdomen is still dorsally mostly black, separating them from E. miltonota (mostly yellowish, including the abdomen dorsally). The darkest specimens might not be reliably distinguishable from E. nimbus if the mesepisternum becomes completely black (usually at least slightly brownish or reddish). Males might not be clearly distinguishable from E. nimbus. Female ZMUO.064651 with almost completely black mesepisternum (slightly brown line in the middle), labrum, clypeus and malar space pale, head behind and above eyes slightly brownish, abdomen ventroapically mostly pale. Type material examined Lectotype Amauronematus sagmarius RUSSIA – Volgograd oblast • ♀; Sarepta [Volgograd]; 48.69° N, 44.53° E; SDEI, GBIF-GISHym4100. Lectotype Amauronematus viduatinus, here designated RUSSIA – Kamchatka oblast • ♀; Nischne-Kamtchatsk, Lake Azhabachye; 56.166° N, 161.893° E; R. Malaise leg.; NHRS, NHRS-HEVA000006398. Paralectotype Amauronematus viduatinus RUSSIA – Kamchatka oblast • 1 ♀; same data as for lectotype; NHRS, NHRS-HEVA000006394. Lectotype Amauronematus viduatinus var. apiciscerra, here designated RUSSIA – Kamchatka oblast • ♀; Klutchi [Klyuchi]; 56.32° N, 160.85° E; R. Malaise leg.; NHRS, NHRS-HEVA000006404. Host plants Salix phylicifolia and possibly some other Salix spp. Genetics COI Based on 21 specimens, maximum within-species distance is 2.74% and the nearest neighbour, diverging by a minimum of 0%, is Euura nimbus. Nuclear Based on 20 specimens, maximum within-species distance is 1.34% (0.88% based on haplotypes of individual females). The nearest neighbour, diverging by a minimum of 0.45%, is Euura nimbus. Distribution and material examined Palaearctic. Specimens studied are from Finland, Norway, Russia, and Sweden.
Authors: Prous, Marko, Liston, Andrew, Monckton, Spencer K., Kramp, Katja, Vårdal, Hege, Vikberg, Veli, Heibo, Erik, Mutanen, Marko
Institutions: University of Tartu Natural History Museum and Botanical Garden, University of Tartu, University of Oulu, Senckenberg German Entomological Institute, Centre for Biodiversity Genomics, University of Guelph, Leibniz Centre for Agricultural Landscape Research, Swedish Museum of Natural History
Language: English
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W6893316123
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