Euura incompleta
A lowland species mostly black and green in colour. In the female the abdomen is broadly pale green at the sides and apical margin of each tergite but otherwise black medially. The clypeus is yellowish white and there is a yellowish spot at the top of the inner orbits. Often in the female, and normally in the male, the posterior orbits are yellow-brown as are the pronotal angles, the tegulae. Sometimes the mesopleura are streaked with yellow. The legs are light yellow.
Larval biology is unknown. Chambers swept this species from grass, creeping buttercup and also from hazel, which he notes was close to crack willow.
Size: Female: 5.0 - 7.0mm, male: 5.0 - 7.0mm.
Status: Widespread
Distribution: England, Scotland, Ireland
Flight period: May to June, July to August
Plant associations: Unknown.
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, 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
Muche, W.H., 1974. Die Nematinengattungen Pristiphora Latreille, Pachynematus Konow und Nematus Panzer (Hym., Temthredinidae). Deutsche Entomologische Zeitschrift, 21(1/3), pp.1-137.
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