Yorkshire Status: Scarce and thinly distributed or restricted resident.

Sutton & Beaumont, 1989: Recent records for this species are quite widespread on lower ground. Most have been of adults rather than larvae which are said to be more easily found, especially on crack and white willow (SMJ pers. comm.).

Argus 47, 2001-2004: VC65. High Batts, 21.7.1984 (SPW). NEW VICE-COUNTY RECORD.

2012 (CHF): Widespread across lowland areas of the county. Previously reported in small numbers; there has been a major increase in the last two years with a surprising 134 records in 2011. The biggest numbers come from the north of VC64, eg 22 at Bishop Monkton on 15.7.2005.

Recorded in 108 (54%) of 200 10k Squares. First Recorded in 1880. Last Recorded in 2022. Additional Stats

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