Euura leionota
Year: 2025
Type: other
Abstract: 117 Euura leionota (Benson, 1933) Fig. 112 Pteronidea leionota Benson, 1933: 259–260. Pteronidea microserrata Lindqvist, 1941a: 68–69. Syn. nov. Pteronidea nigrita Lindqvist, 1958: 113–114. Secondary homonym of Nematus nigritus Norton, 1861 (incertae sedis). Syn. nov. Pteronidea clavicercus Lindqvist, 1958: 92–94. Syn. nov. Pteronidea verticalis Lindqvist, 1958: 94. Syn. nov. Nematus amaurus Vikberg, 1982. Replacement name for Pteronidea nigrita Lindqvist, 1958. Diagnosis Most similar to E. connecta: see differences mentioned under that species. Female 5.0–7.0 mm. Head extensively to mostly pale; labrum, clypeus and supraclypeal area pale; flagellum black or ventrally pale; thorax dorsally extensively pale (sometimes black?), ventrally extensively or nearly completely pale; pterostigma uniformly pale, brown, or with dark margins; abdomen dorsally mostly black, ventrally completely pale; metafemur and metatibia pale; hind tarsus pale or brown; mesepisternum smooth; claws bifid; valvula 3 in dorsal view with blunt tip. Male Not known for certain. Type material examined Holotype Pteronidea leionota UNITED KINGDOM – England • ♀; Devon, Great Haldons; 50.63° N, 3.57° W; Apr. 1926; R.C.L. Perkins leg.; BMNH, B.M.TYPEHYM.1.634. Notes 22 serrulae. Holotype Pteronidea microserrata FINLAND – Uusimaa • ♀; Kirkkonummi; 60.126° N, 24.439° E; R. Frey leg.; MZH, http://id.luomus. fi/GL.9221. Notes 21 serrulae. Holotype Pteronidea nigrita SWEDEN – Torne Lappmark • ♀; Abisko; 68.35° N, 18.83° E; 25–30 Jun. 1954; J.E. and R.B. Benson leg.; BMNH, B.M.TYPEHYM.1.784. Notes 20–21 serrulae; 6 mm. Holotype Pteronidea clavicercus FINLAND – Häme • ♀; Pirkkala; 61.466° N, 23.642° E; 13 Jun. 1935; T. Grönblom leg.; MZH, PR.558VV. Notes 21 serrulae. Best morphological match: DEI-GISHym12042 (22 serrulae). Holotype Pteronidea verticalis FINLAND – Satakunta • ♀; Björneborg [Pori]; 61.49° N, 21.81° E; 17 May 1935; E. Lindqvist leg.; MZH, PR.557VV. Notes 23 serrulae. Best morphological match: DEI-GISHym12042 (22 serrulae). Host plants Betula pendula Roth and B. pubescens. Genetics COI Based on 7 specimens, maximum within-species distance is 0.31% and the nearest neighbour, diverging by a minimum of 1.37%, is Euura sordidiapex. Nuclear Based on 6 specimens, maximum within-species distance is 0.16% (0.14% based on haplotypes of individual females). The nearest neighbour, diverging by a minimum of 0.31%, is Euura leucopyga. Distribution and material examined Palaearctic. Specimens studied are from Finland, Norway, Slovakia, Sweden, and the United Kingdom.
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: W6912100978
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