Season (Adult / Immature):
National Status: Local
Local Status: Rare and local resident.
Local Record: Grade 3 See here for explanation
Flight time: Two generations, May-Jun, Jul-Aug.
Foodplant: Downy Birch, Silver Birch.
|Year first recorded||1940||1904||1883||1883|
|Year last recorded||2014||2014||2014||2012|
|Number of records||44||33||51||2|
|Number of individuals||37||31||84||1|
For the county, we have a total of 130 records from 64 sites. First recorded in 1883.
Sutton & Beaumont, 1989: There have been one or two additional localities reported as well as further confirmation of the new localities from the 1970 list (YNU, 1970).
2012 (CHF): Still very local in birch woodland, mostly in the centre of the county. The majority of our records come from lowland heaths.