Clouded Sulphur (Colias philodice)

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DISTRIBUTION in North Carolina: Primarily the mountains and Piedmont; range in the Coastal Plain needs further elucidation, owing to difficulty in identification (with Orange Sulphur). Probably absent in most counties in the southern half of the Coastal Plain (at least now), and of uncertain occurrence even in the northern half of the Coastal Plain.
ABUNDANCE in North Carolina: Common in parts of the mountains, at least in the northern mountains. In the Piedmont, fairly common to locally common in the northwestern counties, but rare to locally uncommon in the southern and eastern Piedmont. Generally rare in the northern half of the Coastal Plain. Difficulty in separating the species from the more common Orange Sulphur makes the abundance somewhat speculative. Populations have sharply declined in recent years, and the range map and flight charts now give a false sense of abundance.
FLIGHT PERIOD in North Carolina: Occurs from early March (rarely February) into November, very rarely into December. Apparently four broods occur in the state, based on the flight charts.
Distribution, abundance, flight period, and map information provided by Notes on the Butterflies of North Carolina.
Clouded Sulphur (Colias philodice) 08/20/05 · Ashe County, NC · female
Clouded Sulphur (Colias philodice) 09/24/05 · Ashe County, NC · male
Clouded Sulphur (Colias philodice) 04/19/06 · Ashe County, NC · mated
Clouded Sulphur (Colias philodice) 05/28/07 · Ashe County, NC · males puddling