Silver-washed Fritillary (Argynnis paphia)
Description: The silver-washed fritillary is a relatively common butterfly in Luxembourg. It is encountered in summer on sunny forest paths where it enjoys gypsywort. The males are a luminous orange colour while the females are darker with greenish colouration. The females eventually become entirely green. This variety is called the “valesina” variety.
Periods of flight: One flight from June to August.
Caterpillar hosts: Varieties of violets and meadowsweet.