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Melitaea didyma is a medium size butterfly with a wingspan reaching 35–50 millimetres (1.4–2.0 in). The upperside of the wings is bright orange-brown with dark brown drawings arranged in rows, quite variable in quantity and size. Sometimes the color of the females is duller orange, shaded with gray-green. The undeside of the wings is checkered pale yellow and pale orange. M. didyma has a seasonal and sexual dimorphism. This butterfly flies from March to October depending on the location. This species has two or three generations and overwinters as young caterpillar.
Melitaea didyma prefers flowery and grassy areas, meadows and roadsides.
Spotted on Aug 14, 2014
Submitted on Aug 27, 2014