Euura monticola
In the female the head is black with the labrum and clypeus always yellow and usually with an upper eye spot. In the male the whole head is orange with a more or less large frontal postocellar black stain. The thorax is black with the posterior corners of the pronotum and tegulae yellow. The abdomen is predominantly orange, though the male has the basal tergite black and the following tergites with black transverse marks, and the female from the third tergite either with small central spots or completely orange-red. The legs are yellow often with black on the base of the coxae, the lateral faces of the femora, and the apices of the tibia and tarsi.
Euura monticola larvae feed on marsh cinquefoil.
Size: Female: 6.0 - 7.0mm, male: 5.5 - 6.5mm.
Status: Rare
Distribution: England, Scotland
Flight period: June
Plant associations: Potentilla palustris (marsh cinquefoil)
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