Sawfly

Macrophya duodecimpunctata

Description

Body length 10mm. A black species with cream bands across its thorax and on its legs, and a cream spot on its scutellum and lines on the shoulders of its thorax. The wings are tinted brown.

Habitat

Marshes and wetland vegetation. The larvae feed on grasses, sedges and rushes.

Status and distribution

Thinly distributed and mainly restricted to the southern half of Britain. Uncommon in Nottinghamshire and recorded once at Netherfield Lagoons.

Best time to see

May to July.