Clouded Sulphur

Colias philodice Godart, 1819

Family: Pieridae

Status: Common resident

NENHP Ranking: Not listed

Range: This species inhabits the continental United States and most of Alaska and western Canada. It is found statewide in Nebraska.

Broods/Flight Times: Multiple continuous flights from April to November

Larval Hostplant(s):  Larvae feed on herbaceous legumes of the following genera: Astragalus, Baptisia, Pisum, Lathyrus, Lotus, Lupinus, Medicago, Melilotus, Robinia, Thermopsis, and Trifolium.

Habitat: Equally at home in urban and agricultural settings, this is a butterfly that seems to have benefited from human activity

Found at:

Overwintering: As a pupa

Similar Species: Orange and Queen Alexandra’s Sulphurs

Notes: The Clouded Sulphur, while common, is greatly outnumbered by the Orange Sulphur. It seems to be more common in the late summer and fall. This species is sexually dimorphic. Dorsally male Clouded Sulphurs have a solid black forewing margin. In females this margin contains yellow spots. In addition there are albinic females who cannot be reliably separated from similar Orange Sulphur females. Males do not reflect unltraviolet as do Orange Sulphur males. Hybrids between Clouded and Orange Sulphurs are common.

Common Name, Location, Photographer
Clouded Sulphur – female, dorsal
Clouded Sulphur – male, dorsal

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