Morley’s Final Catalogue: Very local in marshes of only eastern England. Found in Suffolk at Beccles (Ctw), as well as on the Norfolk side of Waveney (Tr. Norf. Soc. 1899, 547). Dunwich salt-marsh at light on 29 July 1937 (Mly).
Recent Status: The species is widespread but particularly common on the coast and inland wetland locations.
Life Style: A single brooded species flying from June to September and coming to light. The larvae feed in the stems and root-stock of Rumex crispus. They pupate in the larval habitation.
Identification: An easily recognised large Monochroa species that is longitudinally striped on a pale wing with prominent white ringed black spots.
Recorded in 22 (38%) of 58 10k Squares. First Recorded in 1937. Last Recorded in 2020. Additional Stats