Euura papillosa ZMUO.

199 Euura papillosa (Retzius, 1783) Figs 208, 445 Tenthredo papillosa Retzius, 1783: 72, by indication on Degeer (1771): 982, pl. 37 figs 1–11. Type material lost. Type locality: Sweden. Tenthredo fuscata Christ, 1791: 452, by indication on Degeer (1771): 982, pl. 37 figs 1–11. Type material lost. Type locality: Sweden. Nematus melanaspis Hartig, 1840: 27. Lectotype designated below. Synonymy by Blank et al. (2009). Nematus lacteus Thomson, 1871: 155–156. Lectotype designated below. Synonymy with melanaspis by Konow (1890). Nematus sulphureus Zaddach, 1876: pl. II figs 6, 14. Description based on larvae: adult ♀ ♂ were described later in Brischke (1883). Type material probably destroyed (Blank & Taeger 1998). Type locality: not stated. Synonymy with melanaspis by Konow (1890). Nematus citreus André, 1880b: 203–204. Syntypes, sex not stated, not located. Type locality: not stated. Synonymy with melanaspis by Konow (1890). Nematus maculiger Cameron, 1882: 538–539. Syntypes ♀ ♂ (BMNH?), not examined. Type localities: United Kingdom; Scotland, Clydesdale and England, Worcester. Synonymy with melanaspis by Konow (1890). Nematus brunnicornis Zaddach, 1883 in Brischke 1883: 136–137. Syntypes ♀ ♂, probably destroyed (Blank & Taeger 1998). Type locality: Poland and /or Germany; Prussia,?Harz Mountains. Synonymy with melanaspis by Enslin (1916a). Pteronidea sveae Lindqvist, 1958: 99–100. Synonymy with melanaspis by Lindqvist (1967b). Diagnosis Dorsally mostly black colouration distinguishes the females from closely related E. pavida (dorsally extensively pale). The pale parts of the abdomen of living E. papillosa females are also usually (always?) green, rather than yellow in E. pavida. Males might not be clearly distinguishable from E. pavida. A mitochondrial genome in GenBank (MZ726800, named as Euura bridgmanii, voucher ZYT-202105-02) that was published as Pontania dolichura (Sun et al. 2022) belongs to E. papillosa. This was confirmed based on the nuclear sequences extracted from the raw Illumina data of the voucher ZYT-202105-02 (NCBI Sequence Read Archive accession SRR15883156). Type material examined Lectotype Nematus melanaspis, here designated GERMANY • ♀; northern Germany [according to Hartig 1840: 22]; ZSM, GBIF-GISHym3345. Lectotype Nematus lacteus, here designated SWEDEN – Skåne • ♀; Lund; 55.71° N, 13.19° E; MZLU, MZLU2017317. Holotype Pteronidea sveae FINLAND – Uusimaa • ♀; Helsinki, Munksnäs [Munkkiniemi]; 60.22° N, 24.89° E; 5 Aug. 1956; E. Lindqvist leg.; MZH, http://id.luomus.fi/GL.3508. Host plants A wide spectrum of species of Salix, Populus tremula (Pschorn-Walcher & Altenhofer 2000), P. nigra L. and hybrid poplar cultivars (Chambers 1952; Chevin & Savina 2016). Genetics COI Based on 29 specimens, maximum within-species distance is 4.92% and the nearest neighbour, diverging by a minimum of 2.74%, is Euura pavida. Nuclear Based on 4 specimens, maximum within-species distance is 0.57% (0.12% based on haplotypes of individual females). The nearest neighbour, diverging by a minimum of 0.62%, is Euura pavida. Distribution and material examined Palaearctic. Specimens studied are from Austria, China (only genetics), Finland, Germany, Japan, and Sweden.