Season (Adult / Immature):
National Status: Common
Local Status: Scarce and thinly distributed or restricted resident.
Local Record: Grade 1 See here for explanation
Flight time: Two generations, May-Jun, Jul-Sep.
Foodplant: Pedunculate Oak. Sessile Oak and Turkey Oak.
|Year first recorded||1929||1930||1968||1956||1983|
|Year last recorded||2014||2014||2014||2014||2011|
|Number of records||158||133||226||231||43|
|Number of individuals||145||146||240||325||44|
For the county, we have a total of 791 records from 238 sites. First recorded in 1929.
Sutton & Beaumont, 1989: Previously fairly rare, this species has recently become much more frequent in Yorkshire and although still local, there are recent records from all five vice-counties.
2012 (CHF): Fairly widespread in oak woodland in lowland areas of the county but numbers have fallen significantly in the last ten years with the decline most marked in the east. There were only 19 records in 2011.