Possibly less common than the similar Phylloecus linearis. The face has a few punctures (absent in linearis), an insignificant interantennal furrow and a fourth antennal segment at most 0.66 times the length of the third.
Phylloecus xanthostoma larvae inhabit the stems of meadowsweet.
Size: 12 - 18mm.
Distribution: England, Scotland, Wales
Flight period: May to August
Plant associations: Filipendula ulmaria (meadowsweet)
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