Euura toeniata - Riband Willow Nematine

A lowland species. In the female, the mesonotum and mesopleura are entirely black. The sawsheath viewed from above is not tapered and is not longer than the hind femora.

In the male, any coriacious sculpture on the head and thorax is at least partially obscured by punctures, irregular sculpture or is obsolete. The stigma and costa are black.

Euura toeniata larvae feed on crack willow and other smooth-leaved willows.

Size: Female: 7.0 - 9.0mm, male: 6.0 - 7.0mm.

Status: Rare

Distribution: England, Scotland

Flight period: April to May

Plant associations: Salix fragilis and other smooth-leaved Salix spp.(crack willow and other smooth-leaved willows)


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.D., Knight, G., Heibo, E., Bland, K.P., Barstad, T.E., Blank, S.M., Boevé, J.L., Fiedler, C., Grearson, K.J., Halstead, A. and Jacobs, H.J., 2012. On Scottish sawflies, with results of the 14th International Sawfly Workshop, in the southern Highlands, 2010 (Hymenoptera, Symphyta). Beiträge zur Entomologie= Contributions to Entomology, 62(1), pp.1-68.

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

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

Schmidt, S., 1997. Amauronematus Konow, 1890-Ökologie und Taxonomie der nordeuropäischen Arten des fallax-Komplexes (Hymenoptera, Tenthredinidae). Beiträge zur Entomologie= Contributions to Entomology, 47(2), pp.227-326.