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: One generation, May-Jun.
Foodplant: Downy and Silver Birch, Alder.
|Year first recorded||1940||1857||1883||1883||1972|
|Year last recorded||2014||2014||2014||2013||2015|
|Number of records||35||88||165||148||17|
|Number of individuals||31||117||239||156||15|
For the county, we have a total of 453 records from 223 sites. First recorded in 1857.
Sutton & Beaumont, 1989: Now quite widely recorded in vice-counties 62 to 64, but very local in VC61 and there is only one VC65 record.
2012 (CHF): Local but not uncommon in birch woodland in all five vice-counties with an increase in records in recent years. Sometimes disturbed in the daytime.