Corynis crassicornis (Rossi, 1790)

Corynis crassicornis

Only known in Britain from an unverified record from Bristol in the late 18th to early 19th century. Found sporadically throughout Europe, rarely on the near continent. A small dark species with yellow legs and yellow bands on the apical margins of the tergites giving a banded appearance. The tergite bands broaden on the lateral faces.

 

Size: 6 - 10mm

Status: Extinct in Britain

Distribution: Possible record from England in late 18th Century/ early 19th Century

Flight period: May to August

Plant associations: Not known

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