Caliroa annulipes (Klug, 1816)

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.

Caliroa annulipes 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.

Jump to other Caliroa species

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.)

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