Metallus pumilus (Klug, 1816)

Metallus pumilus

Males and females have an abdomen entirely black and the legs are yellow with dark bases to the femora. THe antennae of the male are enlarged and compressed laterally. Adults are elusive.

Metallus pumilus larvae mine the leaves of raspberry and blackberry plants eventually forming a large blotch mine. Larvae with a black spot under the first abdominal segment.

Size: 3.5 - 4.5mm

Status: Local

Distribution: England, Scotland

Flight period: Poss. bivoltine, poss. May to June and July to August

Plant associations: Rubus idaeus and Rubus fruticosus (raspberry and blackberry)


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.