Season (Adult / Immature):
National Status: Local
Local Status: Uncommon and thinly distributed or restricted resident.
Local Record: Grade 3 See here for explanation
Flight time: One generation, Sep-Nov, (Mar-May, after hibernation).
Foodplant: Sallows, Birches, Alder, Lime etc.
|Year first recorded||1964||1883||1883||1883||1883|
|Year last recorded||2013||2014||2014||2014||2014|
|Number of records||10||74||293||731||84|
|Number of individuals||8||89||362||1298||135|
For the county, we have a total of 1192 records from 195 sites. First recorded in 1883.
Sutton & Beaumont, 1989: An upland species which has lately become more widespread on lower ground.
2012 (CHF): Doing well in upland areas of the county with occasional scattered records on the lower ground. The females hibernate and emerge again in the spring.