A black sawfly with pairs of white patches on tergites 2 to 5 (or 6). There is usually white on the labrum, pronotal margin and the hind margins of the tergites. Hind tibia pale at the base and apex. Antennal segment 8 is more than 3 times as long as broad. Front of clypeus deeply incised and with a small inner tooth.
Empria pallimacula larvae feed on meadowsweet.
Size: 5 - 7mm
Distribution: England, Scotland, Wales, Ireland
Flight period: May to July
Plant associations: Filipendula ulmaria (meadowsweet)
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
Prous, Marko & Heidemaa, Mikk & Soon, Villu. (2011). Empria longicornis species group: Taxonomic revision with notes on phylogeny and ecology (Hymenoptera, Tenthredinidae). Zootaxa. 2756. 1-39. 10.11646/zootaxa.2756.1.1.