Season (Adult / Immature):
National Status: Common
Local Status: Uncommon and thinly distributed or restricted resident.
Local Record: Grade 2 See here for explanation
Flight time: One generation, Jul-Aug
|Year first recorded||1960||1857||1883||1940||1963|
|Year last recorded||2014||2014||2014||2014||2012|
|Number of records||487||82||312||147||34|
|Number of individuals||533||104||309||132||32|
For the county, we have a total of 1062 records from 257 sites. First recorded in 1857.
Sutton & Beaumont, 1989: There are recent records from all five vice-counties. The larvae should be searched for on mugwort and can also occur on yarrow (AMR pers. comm.) although this has not been recorded as a foodplant in Yorkshire.
2012 (CHF): Commonest in the south and east of the county. Numbers have declined a little in recent years.