The maple wood-wasp is one of three species in the genus in Britain. The abdomen is black dorsally without a red girdle and has lateral white spots. Antennal second segment is clearly longer than the fourth segment. The hind basitarsus 1.5 times as long as the following three segments combined.
Larvae bore into the wood of ailing or dead field maples in old forests.
Size: 10 - 21mm
Flight period: May? to August?
Plant associations: Acer campestre (field maple)
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