Allantus basalis
Allantus basalis is a species with a northerly distribution in Britain. The British subspecies Allantus basalis caledonicus may in fact be a separate species from Allantus basalis basalis. Both forms have been found in Scotland. The abdomen is black with a pale off-white to yellow girdle on the tergites. The hind femora are black. The labrum, palps and front trochanters are also yelowish-white. Coxae are for the most part black. In subsp. caledonicus, the apices of the hind tibia and tarsus are reddish-brown and in subsp. basalis they are black.
Larvae feed on roses.
Jump to other Allantus species
Size: 7 - 10mm
Status: Rare
Distribution: England, Scotland
Flight period: June to July
Plant associations: Rosa spp. (roses)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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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