Euura flavescens (Stephens, 1835)

Euura flavescens

In the female the metanotum is entirely yellow and the head is also yellow. The abdomen may or may not have black spots along the dorsal midline. In the male the apical two tergites are mainly black. The inner orbits are yellow.

Euura flavescens larvae are solitary edge feeders on grey willow and common osier.

Size: Female: 5.5 - 7.0mm.

Status: Local

Distribution: England, Scotland, Wales, Ireland

Flight period: May to June, July to August

Plant associations: Salix atrocinerea and Salix viminalis (grey willow and common osier).

References:

Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London

Liston A, Knight G, Sheppard D, Broad G, Livermore L (2014) Checklist of British and Irish Hymenoptera - Sawflies, ‘Symphyta’. Biodiversity Data Journal 2: e1168. https://doi.org/10.3897/BDJ.2.e1168

Muche, W.H., 1974. Die Nematinengattungen Pristiphora Latreille, Pachynematus Konow und Nematus Panzer (Hym., Temthredinidae). Deutsche Entomologische Zeitschrift, 21(1/3), pp.1-137.

Prous, M., Liston, A., Kramp, K., Savina, H., Vårdal, H. and Taeger, A., 2019. The West Palaearctic genera of Nematinae (Hymenoptera, Tenthredinidae). ZooKeys, 875, p.63-127