This species is generally larger than other species of the Endothenia, but genital dissection is required for positive identification.

Rough uncultivated ground, waysides and embankments.

Recorded in 101 (37.4%) of the 270 2km squares of Huntingdonshire.

Last recorded in September 2020

Recorded date range (Adult): 01 April to 19 September

Recorded date range (Larva/Leafmine): 18 February to 06 November

Recorded date range (Pupa): 24 May to 03 July