Euura oblita - oblita group (formerly Phyllocolpa oblita (Serville, 1823) and Pontania puella (C.G.Thomson, 1871))
The species shows some variability in colour resembling species of the ischnocera group but generally paler. See Liston et al (2017) for determination.
Euura oblita larvae feed on white willow, crack willow and almond willow. The larvae cause a leaf fold, either spirally twisted or a marginal fold.
Jump to other group oblita species
Size: Female: 4.0 - 5.8mm, male: 4.0 - 4.8mm
Status: Local
Distribution: England, Wales
Flight period: Uni- or bivoltine, June to July
Plant associations: Salix alba, Salix fragilis and Salix triandra (white willow, crack willow and almond 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