Last modified: Sept. 16, 2022, 2:51 p.m.
A rather rare and local species throughout Belgium. Numbers can vary from year to year. Formerly more widespread. Vulnerable.
The adults fly normally in one generations a year: from mid June till end of August. In favourable years a second generation occurs from end of August till mid October.
The larva lives on Erica calluna, Erica tetralix and Genista anglica. The larva is attented by different species of ants as Lasius niger and Lasius alienus.