Nematinus luteus - Yellow Alder-cutter

[NB. This species is given as willigkiae in Benson's key.]
A mostly yellow species. The venation basally, and the subcosta, is yellow and paler than the venation of the rest of the wing. The basal tergites lack any punctures but with dark marks near the central incision on tergite 1.

Nematinus luteus larvae feed singly on alders and occasionally hazel.

Jump to other species of Nematinus

Size: 6 - 8.5mm

Status: Widespread

Distribution: England, Scotland, Wales, Ireland

Flight period: June to July

Plant associations: Alnus spp. and rarely on Corylus avellana (alders and rarely hazel)

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

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.

Taeger, A. and Blank, S.M., 1998. Beitrag zur Kenntnis einiger Nematinae (Hymenoptera: Tenthredinidae). Pflanzenwespen Deutschlands (Hymenoptera, Symphyta). Kommentierte Bestandsaufnahme. Goecke & Evers, Keltern, pp.247-277.