Euura femoralis - 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)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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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