This is one of several very similar Coleophora species which can only reliably be distinguished by genital dissection.
The adults have a metallic bronzy-green/purple sheen at the apex of forewing.
Although both this species and C. frischella are on the British list, C. frischella has only been recorded a handful of times from the west of Britain.
Rough grass and roadside verges.
Recorded in 43 (15.9%) of the 270 2km squares of Huntingdonshire.
Last recorded in September 2020
Recorded date range (Adult): 07 May to 30 September