EUURA PUNICEA GROUP

Euura ampla - Splendid Birch Nematine

Amauronematus amplus Konow, 1895

North to southern Scotland, not especially common but still recorded fairly frequently (Musgrove, 2024).

The female is predominantly black above with a dark stigma and more or less pale on the apical margins of the tergites, the labrum, the apex of the clypeus, the outer orbits, the pronotal margin, the edge of the tegulae and the bases of the tibiae. Males are best determined by the shape of the hypopygium and penis valves.

Euura ampla larvae feed on birches.

Size: Female: 7 - 9mm, male: 6 - 7mm.

GB IUCN Status: Least Concern
GB Rarity Status: None

Distribution: England, Scotland, Ireland

Flight period: April to May

Plant associations: Betula spp. (birches)

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 Natural England, unpublished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