During July-August,the species is rare in the Liesjärvi area. This male is a specimens that I observed on 17-07-2015.
The caterpillers feed on e.g. Cardamine pratensis (Luhtalitukka) and Capsella bursa-pastoris (Lutukka), and overwinter as pupa.
This is my second male, observation date 01-06-2019.