Euura spiraeae - Aruncus Sawfly

Males are extremely rare. Abdomen always partly pale below, but mostly black above, and cerci not reaching hack as far as of the narrow sawsheath. The mesopleura and the orbits behind the eyes are mainly black as are the front and middle lobes of the mesonotum.

Euura spiraeae larvae feed gregariously on buck's-beard.

Size: Female: 5.0 - 6.0mm.

Status: Locally common

Distribution: England, Scotland, Wales, Ireland

Flight period: Multivoltine, April to September

Plant associations: Aruncus dioicus (buck's-beard)


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