Profenusa thomsoni
A small black bodies insect with infuscated wings having noticeable subhyaline apices. The tegulae are black and the tibiae and basal tarsal segments are brownish-white. The apical tergites are smooth. Males are unknown.
Profenusa thomsoni larvae mine in the leaves of birch.
Size: 3 - 4mm
Status: Rare
Distribution: England
Flight period: May to July
Plant associations: Betula spp. (birches)
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