EUURA PUNICEA GROUP
Euura tillbergi - Tillberg's Willow Nematine
Amauronematus tillbergi Malaise, 1921
Amauronematus rex Benson, 1948
Amauronematus mcluckieae Benson, 1935
Amauronematus mcluckiei Benson, 1935
Amauronematus pustulatus Lindqvist, 1962
Amauronematus pacificus Malaise, 1931
Amauronematus obscurus Lindqvist, 1962
Euura mcluckieae (Benson, 1935)
Euura tranquilla Vårdal & Prous, 2014
Amauronematus hedstroemi Malaise, 1931
An upland species known in Britain from the Highlands of Scotland.
The female is largely black with brown on the apical tergites, the tibiae of the fore and middle legs, the apices of the hind tibiae. Occasionally, there is also brown on the temples, the tegulae, the pronotal margins and the apices of the femora. The stigma are yellowish-white.
Males are coloured as the female but the hypopygium and genitalia are also brown. Determination should be confirmed by reference to the genitalia in both genders.
Euura tillbergi larvae feed on eared willow and probably also on net-leaved willow.
Size: 5.0 - 6.0mm.
GB IUCN Status: Least Concern
GB rarity Status: None
Distribution: England, Scotland, Wales
Flight period: May to June
Plant associations: Salix herbacea and likely on Salix reticulata (dwarf and likely on net-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., 1935. The high mountain sawflies of Britain (Hymenoptera Symphyta). Transactions of the Royal Entomological Society of London, 83(1), pp.23-39.
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
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