Euura destricta (MacGillivray, 1923)

Euura destricta - oblita group (formerly Phyllocolpa carinifrons)

Adults strongly resemble species in the Euura ischnocera group. See Liston et al (2017) for determination.

Euura destricta larvae feed on bay willow, tea-leaved willow and possibly downy willow. The larvae cause a leaf fold, either spirally twisted or a marginal fold.

Size: Female: 4.1 - 4.9mm, male: 3.7 - 4.4mm

Status: Data deficient

Distribution: England, Scotland, Ireland

Flight period: Uni- or bivoltine, June

Plant associations: Salix pentandra, Salix phylicifolia and possibly Salix lapponum (bay willow, tea-leaved willow and possibly downy 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