Morley’s Final Catalogue: Discovered to be of common occurrence in Barnby Broad on 18 May 1905, and again there in August 1908 (Mly); Ampton and Timworth (Nurse, Ent. 1911, 221).
Recent Status: Local.
Life Style: Flies in sunshine around the Brassicaceae Cardamine pratensis, Alliaria spp, Sisymbrium officinale, Barbarea vulgaris and Cakile. Single brooded in May and June. The larvae initially feed on the seeds of the foodplant and later on the lower leaves from a flat bivalve case constructed from a variety of materials.
Identification: The moth is similar to A. reaumurella but smaller at 4.5 to 6 mm wing length and has more golden than green reflections to the dark metallic wings. Primarily an open land species.
Recorded in 20 (34%) of 58 10k Squares. First Recorded in 1905. Last Recorded in 2020. Additional Stats