Last modified: Oct. 14, 2024, 3:29 p.m.
In Flanders the species is critically endangered. A local species occurring in the south of Belgium where it is vulnerable.
Native
The larva is attended by ants of the genus Lasius.
The adults fly in two generations a year from mid-May till the end of June, and from mid-July till the end of August. In favourable years a third generation occurs from the beginning of September till early October.
The larva lives on Trifolium pratense.