EUURA PUNICEA GROUP

Euura semilactea - Milky Willow Nematine

Nematus semilacteus Zaddach, 1883
Amauronematus semilacteus (Zaddach, 1883)

Only recorded from northern Scotland, from Culbin Sands and Aviemore in 1951-52 (Musgrove, 2024). The female has yellow on the temples. The abdomen is greenish-white below and laterally but darkened dorsally with pale margins to each tergite. The hind femora are infuscated to some degree.

Males are not described in Britain.

Euura semilactea larvae feed on eared willow, goat willow, grey willow and creeping willow.

Size: Female: 6.5 - 7.5mm.

GB IUCN status: Data Deficient
GB rarity status: Unclear

Distribution: Scotland

Flight period: May

Plant associations: Salix aurita, Salix caprea, Salix cinerea and Salix repens (eared willow, goat willow, grey willow and creeping willow)

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

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, 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

Musgrove, A.J. 2024. A review of the status of sawflies of Great Britain - Phase 3: The Tenthredinidae (subfamily Nematinae). Natural England, unpublished

Prous, M., Liston, A., Kramp, K., Savina, H., Vårdal, H. and Taeger, A., 2019. The West Palaearctic genera of Nematinae (Hymenoptera, Tenthredinidae). ZooKeys, 875, p.63-127