Main: (Noctuidae / Acronictinae)
73.041 [B&F: 2285] Marsh Dagger (Acronicta strigosa) ([Denis & Schiffermüller], 1775)


Notes: Formerly an uncommon resident in the fens of Cambridgeshire and Huntingdonshire, where last seen in 1933, and in the Severn Valley near Gloucester and Tewkesbury until about 1905. In recent times considered a very rare immigrant from mainland Europe, appearing in southern England twice, in East Sussex in 1996, and at Pagham Harbour, West Sussex, in July 2010. Not recorded in Hampshire or on the Isle of Wight to date. Wingspan 30-32 mm. Shows a strong black streak medially from base to claviform stigma, and two others in echelon above tornus (MBGBI Vol 10). Larva feeds on Hawthorn and Blackthorn, no evidence of breeding in the UK.

Flightime guide

Distribution Map

Historical distribution at tetrad resolution
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Record Density

As above but the larger the symbol, the greater the number of records
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