Euura brevivalvis (Thomson, 1871)

Euura brevivalvis

The female is yellow-brown marked with black on the ocelli, the postocellar area, two or three longitudinal marks on the mesonotum, the metanotum, the metascutellum, more or less the midline of the abdomen, and the hind tibia. The male has a pale mesosternum and the pale parts of the face are yellowish-white.

Euura brevivalvis larvae feed on birches.

Size: Female: 8.0 - 9.0mm.

Status: Widespread

Distribution: England, Scotland, Wales, Ireland

Flight period: May to June

Plant associations: Betula spp. (birches).

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