Only the parthenogenetic (self-fertile) wingless female of this species is known. It is possibly a form of L. lapidella.
The cased larvae feed, often gregariously, on lichen.
Recorded in 45 (16.7%) of the 270 2km squares of Huntingdonshire.
Last recorded in February 2023
Recorded date range (Adult): 10 April to 19 May
Recorded date range (Larva/Leafmine): 17 January to 18 November