Athalia cornubiae Benson, 1931

Athalia cornubiae

All the tibia in this species are ringed apically in black and the thorax has lateral and ventral sides orangy. The prescutum and scutellum are black. In females the hypogidium lacks lateral lobes but is strongly incised each side of the middle. Males cannot be separated from Athalia liberta males.
Larvae possibly feed on stonecrops.

Size: 5-7mm

Status: Rare

Distribution: England

Flight period: May to September

Plant associations: Sedum spp? (stonecrops)

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