Davey, P., 2009: A species found locally in England and Wales, the larva feeding on alder (Alnus spp.). In Dorset, the moth is common in valley swamps where alder is dominant, for example at Powerstock Common and St Leonards Peats, and along rivers valleys such as the Moors River. The national norm is a single brood in June and early July. In Dorset, an additional double brood cycle is evident with peaks in May and August. The moth is very rarely encountered far from its core habitat, but... Read More

Recorded in 35 (88%) of 40 10k Squares. First Recorded in 1940. Last Recorded in 2023. (Data up to end 2023) Additional Stats

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