Euura scotaspis (Förster, 1854)

Euura scotaspis - oblita group (formerly Phyllocolpa scotaspis (Förster, 1854))

The species shows some variability in colour. See Liston et al (2017) for determination.

Euura scotaspis larvae feed on common osier and Holme willow. The larvae cause a leaf fold, either spirally twisted or a marginal fold.

Size: Female: 4.6 - 5.7mm, male: 4.0 - 5.0mm

Status: Data deficient

Distribution: England, Scotland, Ireland

Flight period: Uni- or bivoltine

Plant associations: Salix viminalis and Salix dasyclados (common osier and Holme willow)

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.D., Heibo, E., Prous, M., Vårdal, H., Nyman, T. and Vikberg, V., 2017. North European gall-inducing Euura sawflies (Hymenoptera, Tenthredinidae, Nematinae). Zootaxa, 4302(1), pp.1-115.

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