Fort Towson

Colias interior, the pink-edged sulphur, is a species of North American butterfly in the family Pieridae. It is the State Butterfly of Maine.

Description

The wingspan for this butterfly is 39 to 66 mm.

Distribution

See range map.

Life cycle

There is one flight between June and August. The adult female lays eggs on blueberry plants.

Larval foods

• Vaccinium
• Ericaceae

Adult foods

• Aralia hispida
• Pilosella aurantiaca

References

• Darby, Gene (1958). What is a Butterfly. Chicago: Benefic Press. p. 37.
• "Butterflies and Moths of North America (Pink-edged Sulphur)". Montana State University. Archived from the original on 2011-01-08. Retrieved 2008-10-15.
• Pink-edged Sulphur, Butterflies of Canada