Davey, P., 2009: A strongly migratory species with a near-global tropical and sub-tropical distribution that ranges from a virtual annual in southern England to a relative rarity in northern Scotland. The larva is a pest of crops in regions south of 35 deg. N. In Dorset, the moth has been recorded with increasing frequency since 1982, but very few in the very westerly El Nino summers of 2007 and 2008, and in every month apart from December and March. In favourable seasons, immigrants spawn... Read More

Recorded in 37 (93%) of 40 10k Squares. First Recorded in 1934. Last Recorded in 2019. (Data up to end 2019) Additional Stats

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