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Colias hecla

species

“Hecla Sulphur”

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On Wikipedia

Colias hecla, the northern clouded yellow or hecla sulphur, is a butterfly in the family Pieridae. In Europe, it is found in the northern part of Norway, Sweden and Finland up to heights of 900 m. It is also found in Greenland, Alaska, the Northwest Territories, Yukon, Quebec, Labrador, Manitoba, the Chukot region, eastern Chukotka, and the Russian Far East. The wingspan is 36–46 mm. The butterfly flies in June to August depending on the location. The larvae feed on Astragalus species, including Astragalus frigidus and Astragalus alpinus as well as Trifolium repens. They are also known to feed on Salix arctica where Astragalus are absent.

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Range Maps show field notes recorded by Natural Atlas contributors and other datasets via GBIF.org

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