Euura purpureae - anomaloptera group (formerly Pontania purpureae)

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

Euura purpureae larvae feed on purple willow causing a twisted leaf roll.

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Size: Female: 3.0 - 4.3mm, male: 3.4 - 3.9mm

Status: Local

Distribution: England

Flight period: Bivoltine

Plant associations: Salix purpurea (purple 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