Euura arcticornis - Northern-horned Pea-galler
group (formerly Pontania arcticornis)

See Liston et al (2017) for determination of adults. The host plant is an upland species.

Euura arcticornis larvae feed on Tea-leaved Willow. The gall is in contact with the midrib, projecting only below the leaf-blade. The gall is often irregularly shaped, glabrous and yellow-green.

Jump to other group viminalis species

Size: Female: 3.0 - 4.9mm, male: 3.5 - 3.8mm

Status: Rare

Distribution: England, Scotland, Ireland

Flight period: Univoltine

Plant associations: Salix phylicifolia (Tea-leaved Willow)


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.