Moorland Clouded Yellow

Colias palaeno

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Male, Switzerland, July 2013



Female, Switzerland, July 2013



Female, Switzerland, July 2013



Switzerland, July 2011


Male, Switzerland, July 2006

Female, Switzerland, July 2006 (under the wing of a small apollo)

Male, Switzerland, July 2006

Upperside of a male found dead, Switzerland, July 2006

The moorland clouded yellow is rarer than the mountain clouded yellow, preferring rather more remote, heathy sites. It does not occur near me in Switzerland but does fly further along the Rhone Valley, where these individuals were photographed. The male is a much yellower, cleaner butterfly than the mountain clouded yellow; the female is whiter. Both sexes lack white spots in the border of the forewing and have neat black edging on the spots on the underside. The species is actually easily identifiable in flight, when the characteristic plain border is very obvious. It occasionally settles but does have a useful habit of flying close to watchers, as if to watch them, so gives plenty of opportunity for a firm identification even when it is restless.