Athalia ancilla Serville, 1823

Athalia ancilla

In this species the middle tibia is ringed with black apically and the length of the inner spur of the hind tibia is less than the length of the fourth tarsomere. The basal half of veins C+R are yellow.
Associated with wet places. Larvae feed on cruciferous plants such as hedge garlic and mustards.

Size: 5-7mm

Status: Locally common

Distribution: England, Scotland, Wales

Flight period: May to September

Plant associations: Cruciferae (crucifers: hedge garlic, mustards, etc)

References:

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

Palmer, D. and Palmer, J.P. 2015. Keys of species of Athalia in France and Italy, Flickr. [https://www.flickr.com/photos/d-jp-balmer/7996272718/in/photolist-9Ztf2g-dbAZi1-d8W2FW-9Zdz6n/] Accessed 16Apr2019