Food Plant: Unknown in the UK. In Europe has been bred from Carex acuta

Mine: unknown but an adult was trapped in May 2016

Notes: The life history is unknown but the pupa is distinctive, being dark brown with posterior spiracles on stout projections. First discovered as an adult in Sutton Fen RSPB Reserve in 2016.

Data:

Image:©

References:
Spencer K, (1976), The Agromyzidae (Diptera) of Fennoscandia and Denmark – Fauna Entomologica Scandinavica
Telfer M. & Gibbs D, (2017), The leaf-mining fly Metopomyza nigrohumeralis (Hendel) (Diptera, Agromyzidae) new to Britain from Sutton Fen RSPB reserve in the Norfolk Broads. – Dipterists Digest 24: 221-223.