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Jim P. Brock   cc-by-nc-sa-3.0

Colias hecla (Hecla Sulphur) is a species of butterflies in the family Pieridae. They visit flowers of eightpetal mountain-avens, alpine milkvetch, moss campion, and Horned Dandelion.

EOL has data for 19 attributes, including:

Known occurrences, collected specimens and observations of Hecla Sulphur. View this species on GBIF