Metallus lanceolatus (Thomson, 1870)

Metallus lanceolatus

Males are unknown. Abdomen brown above and the legs almost entirely white. Adults are elusive.

Metallus lanceolatus larvae mine the leaves of wild and cultivated avens creating blotch mines.

Size: 3.5 - 4.5mm

Status: Local

Distribution: England, Scotland, Wales

Flight period: Bivoltine, May to June, July to August

Plant associations: Geum spp. (wild and cultivated avens)

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