Last modified: Oct. 12, 2021, 5:55 p.m.
A species with a distribution that is mainly central European. A regular migrant to Belgium with yearly fluctuating numbers. After large invasions local populations can thrive for years in Belgium, mainly in the east and the south of the country.
A regular migrant throughout Belgium. Numbers fluctuate from year to year. More common in the east and the south of the country.
The bionomics are described elaborately on the Butterflies in the Benelux website.
The adults have been seen from late May towards October in two to three generations, depending on conditions.