Euura salicis ( Linnaeus, 1758 )

Prous, Marko, Liston, Andrew, Monckton, Spencer K., Kramp, Katja, Vårdal, Hege, Vikberg, Veli, Heibo, Erik & Mutanen, Marko, 2025, West Palaearctic species of Euura Newman, 1837 (Hymenoptera, Tenthredinidae), European Journal of Taxonomy 977, pp. 1-377 : 227-228

301 Euura salicis ( Linnaeus, 1758)

Figs 310 , 539

Tenthredo salicis Linnaeus, 1758: 557 . Syntypes, sex not stated. No extant type material is known. Type locality: Sweden.

Tenthredo capreae Linnaeus, 1758: 559 . Syntype larvae. Adults were not described. No extant type material is known. Type locality: Sweden. Synonymy by Schmidt et al. (1998).

Tenthredo notata O.F. Müller, 1776: 149 . Syntypes, sex not stated. No extant type material is known. Type locality: Denmark. Synonymy by Brischke (1883).

Nematus klugi Dahlbom, 1835a : pl. 40 fig. 6. Syntypes ♂♂ (MZLU), not examined. Type locality: Scandinavia. Synonymy by Brischke (1883) [confirmed by Schmidt et al. (1998)].

Nematus immaculatus Snellen van Vollenhoven, 1869: 95 , 119. Lectotype ♂ (ZMAN), designated by Thomas (1987), not examined. Type locality: Belgium, Schoten. Synonymy by Brischke (1883).

Nematus inflatus Thomson, 1871: 139–140 . Lectotype designated below. Synonymy by Brischke (1883).

Pteronidea salicis var. obscurior Enslin, 1916a: 415 . Lectotype designated below. Synonymy by Muche (1974).

Diagnosis

Its large size (8.0–12.0 mm), extensively yellow body, and black costa and pterostigma enable its separation from other species of Euura .

Type material examined

Lectotype Nematus inflatus , here designated

SWEDEN – Skåne • ♀; Lund ; 55.71° N, 13.19° E; MZLU, MZLU2017309 .

Lectotype Pteronidea salicis var. obscurior , here designated

GERMANY – Nordrhein-Westfalen • ♀; Solingen ; 51.17° N, 7.07° E; ZSM, GBIF-GISHym3369 .

Paralectotype Pteronidea salicis var. obscurior

GERMANY – Nordrhein-Westfalen • ♂; Solingen ; 51.17° N, 7.07° E; ZSM, GBIF-GISHym3370 .

Host plants

Salix spp. , preferably S. fragilis ( Roininen & Tahvanainen 1989) , occasionally Populus ( Çalmasur & Özbek 2006) . More than one generation per year in suitable conditions ( Pschorn-Walcher & Altenhofer 2000).

Genetics

COI

Based on 5 specimens, maximum within-species distance is 0.78% and the nearest neighbour, diverging by a minimum of 5.32%, is Euura ferruginea .

Nuclear

Only one sequence available. The nearest neighbour, diverging by a minimum of 2.28%, is Euura anthracina .

Distribution and material examined

Palaearctic. Specimens studied are from Finland, France, Germany, and Sweden.

Figures

Figs 309–312. Lancets of Euura Newman, 1837. 309. hyperborea (Thomson, 1871) ZMUO.041209. 310. salicis (Linnaeus, 1758) DEI-GISHym12532.311. imperfecta (Zaddach, 1876) DEI-GISHym11467. 312. nigriventris (Holmgren, 1883), lectotype, ♀ NHRS-HEVA000006477.

Figs 534–545. Penis valves of Euura Newman, 1837 (534–543, 545) and Pristiphora Latreille, 1810 (544). 534. hyperborea (Thomson, 1871) DEI-GISHym31674. 535. imperfecta (Zaddach, 1876) ZMUO.030832. 536. itoi (Okutani, 1955) DEI-GISHym13850. 537. poecilonota (Zaddach, 1876) DEI- GISHym12527. 538. pumilio (Konow, 1903) DEI-GISHym31087. 539. salicis (Linnaeus, 1758) DEI- GISHym17954. 540. spiraeae (Zaddach, 1883) DEI-GISHym14075 (Switzerland). 541. spiraeae DEI- GISHym1916 (China). 542. vaga (Fabricius, 1781) DEI-GISHym13874. 543. telos Liston & Prous nom. nov. DEI-GISHym80794. 544. Pristiphora biscalis (Förster, 1854), Nematus meridionalis André, 1880, lectotype DEI-GISHym89376. 545. fagi Zaddach, 1876 DEI-GISHym13853.