This species is reported historically from only two locations near Bristol and Plymouth (specimens not found in any collections).
Megalodontes cephalotes larvae feed on Apiaceae (umbellifers).
Size: 11 - 12mm
Status: Extinct [probably never present in Britain]
Flight period: unknown
Plant associations: Apiaceae (umbellifers)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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