Athalia bicolor
Top of the head and the thorax (except tegulae and hind edges of pronotum) entirely black. Athalia bicolor has the first tergite is also black. Only the hind legs have black rings on the apices of the tibiae and tarsi, the other legs being entirely yellow.
Larvae are unknown but thought to be associated with buttercups.
Size: 5-7mm
Status: Locally common
Distribution: England, Wales
Flight period: May to August
Plant associations: Ranunculus spp. (buttercups)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Athalia bicolor
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- Athalia bicolor
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- Athalia bicolor
References:
Balmer, D. and Balmer, 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
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