Aglaostigma fulvipes is one of two species of Aglaostigma in Britain and Ireland. This species occurs later than aucupariae and is perhaps less frequent. Aglaostigma fulvipes is blackish with a red girdle but is marked with creamy-yellow laterally and ventrally and on the head (often extensively in males but much less so in females).
Larvae feed on bedstraws. Females lay the eggs into a stem and often cut the stem partially through just above the laying site.
Size: 7 - 9mm
Distribution: England, Scotland, Wales, Ireland
Flight period: April to June
Plant associations: Galium spp. incl. mollugo and verum (bedstraws incl. hedge and lady's
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