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.

Jump to other Profenusa species

Size: 3 - 4mm

Status: Rare

Distribution: England

Flight period: May to July

Plant associations: Betula spp. (birches)


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.