Davey, P., 2009: A species found in all parts of Britain, the larva feeding on scots pine (Pinus sylvestris), spruce (Picea spp.) and western hemlock (Tsuga heterophylla). In Dorset, the moth is common in conifer plantation. The flight time covers four months. This is likely to be a combination of a single brood in July, plus a double brood with the first generation between early May and late June and a second from late July to mid-September. The national norm is for a single brood in northern... Read More

Recorded in 35 (88%) of 40 10k Squares. First Recorded in 1940. Last Recorded in 2019. (Data up to end 2019) Additional Stats

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