Euura amentorum
A small species. The sawsheath is held upright and when viewed from behind is tridentate at the apex. Predominantly black with yellowish-white on the face below the antennae, the edge of the pronotum, tegulae, legs and more or less the underside of the abdomen. Males are undescribed.
Larvae feed on developing seeds in the female catkins of creeping and goat willows.
Size: 4 - 5mm
Status: Rare
Distribution: England, Scotland
Flight period: April to May
Plant associations: Salix repens and Salix caprea (creeping willow and goat willow)
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
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