Identifying features
Both sexes have dark borders on the uppersides of both forewings and hindwings. The male is lemon-yellow, while the female is completely white, with a single dark spot on the forewings.
Similar species
Neither sex can be confused with other clouded yellows. The male is distinguished by its lemon-yellow surface, while the female is distinguished by its entirely white surface, with only one spot on the forewing, and no spots in the dark wing tip.
Distribution
Moorland clouded yellow is a very rare migrant to Denmark. In 1992 an influx from Eastern Europe reached Denmark, with several hundred individuals seen within just a few days.
Biology
The moorland clouded yellow is a very rare migrant to Denmark, arriving from Sweden. The species is only active in warm weather.
