This species, which used to be found at Wicken Fen, is now only found in the Norfolk Broads.
Open fens and marshes.
Recorded in 8 (3%) of the 270 2km squares of Huntingdonshire.
Last recorded in August 1991
Recorded date range (Adult): 09 June to 11 September
Recorded date range (Larva/Leafmine): 04 July to 05 July