Caliroa annulipes
A black insect with white on the legs. The third antennal segment is shorter than the fourth and fifth combined. Hind wing with 2 enclosed middle cells. The hind basitasus of the female is white in the basal half and the hind tibia at least one-third white basally.
Larvae are mucus covered "slugworms" that feed on the underside of leaves for upto 3 weeks. They pupate in the ground and emerge after 2-3 weeks, or overwinter to emerge the following May.
Size: 4 - 6mm
Status: Widespread
Distribution: England, Scotland, Wales, Ireland
Flight period: Bivoltine, May to August
Plant associations: Quercus spp., Betula spp., Salix spp., Tilia spp., Fagus spp., and Vaccinium spp. (various trees and shrubs incl. oaks, birches, willows, limes, beeches and bilberries.)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Caliroa annulipes larva Credit Rob Edmunds
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Caliroa annulipes larvae
Credit John A Petyt
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Caliroa annulipes larvae
Credit John A Petyt
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