Season (Adult / Immature):
National Status: Common
Local Status: Common and widespread resident.
Local Record: Grade 1 See here for explanation
Flight time: Two generations, May-Jun, Jul-Aug.
Foodplant: Downy and Silver Birch, Alder and Sallows.
|Year first recorded||1929||1883||1904||1886||1883|
|Year last recorded||2014||2014||2014||2014||2014|
|Number of records||1010||913||1019||1789||252|
|Number of individuals||1184||1278||1725||3219||359|
For the county, we have a total of 4983 records from 844 sites. First recorded in 1883.
Sutton & Beaumont, 1989: Rather local over much of VC61 in areas with woodland and overgrown hedges on low-lying damp ground. Widely recorded and often frequent or common over the other four vice-counties. This is one of many moths which in Yorkshire is just beyond its northern limit for being bivoltine, so in most years there is only one generation but in favourable seasons there may be a partial second brood.
2012 (CHF): Common and widespread across the county with no recent changes in distribution or numbers. The generations overlap so it is difficult to comment on voltinism.