Euura moerens - Fading Grass Nematine

Black with a more or less yellowish labrum, clypeus and spot on the upper corner of the eye. The posterior orbits are translucent brown. The tegulae and most of the posterior margin of the pronotum are yellowish. Sometimes the trochanters, the apices of the femora, the tibia and the tarsi are coloured whitish.

Euura moerens larvae feed on grasses.

Size: 5.5 - 6.5mm.

Status: Local

Distribution: England, Scotland, Wales, Ireland

Flight period: April to May

Plant associations: Gramineae (grasses)


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.

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