Euura femoralis - Thighed Leaf-galler
dolichura
group (formerly Pontania femoralis)

See Liston et al (2017) for determination of adults. The host plant is an upland species. Within this group, males of Euura femoralis and Euura nigricantis are inseparable.

Larvae feed on tea-leaved willow causing an elongated gall, often paired, on the upper side of a leaf.

Jump to other group dolichura species

Size: Female: 3.0 - 3.9mm, male: 2.8 - 3.6mm

Status: Rare

Distribution: England, Scotland

Flight period: Univoltine

Plant associations: Salix phylicifolia (Tea-leaved 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