Caliroa cinxia (Klug, 1816)

Caliroa cinxia

A black insect. The third antennal segment clearly shorter than the fourth and fifth combined. Clypeus subtruncate. Hind tibia with white basally (basal one-third in female and basal one-quarter in male). Hind tarsus entirely black on basal segment.

Caliroa cinxia larvae are mucus covered " slugworms" that feed on the underside of oak leaves. They pupate in the ground.

Size: 4 - 6mm

Status: Local

Distribution: England

Flight period: June to August

Plant associations: Quercus spp. (oaks.)

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