| Occurrence | Statewide - resident |
| Abundance | Common to abundant; maximum 500 |
| Flight Period | April 12 - December 5 (mainly late April to mid-October) |
| Notes | Usually seen earlier in spring than Orange Sulphur |
| Overwintering | 3rd sometimes 4th instar - Larva |
| More info |
Massachusetts Butterfly Atlas Website |
Photo by Fred Goodwin - 9/12/2002
Massachusetts Audubon Society
Ipswich River Wildlife Sanctuary |
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Photo © Lesley Mattuchio - 8/1/2003
Massachusetts Audubon Society
Ipswich River Wildlife Sanctuary |
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Photo by Frank Model - 8/13/2005
Bristol, Rhode Island
Female |
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Photo by Frank Model - 2004
Amherst, MA
Male |
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Photo by Frank Model - 10/4/2005
Sudbury Community Garden, Sudbury
Mating |
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Photo by Frank Model - 5/31/2005
Hadley
White Form Female |
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Photo by Barbara Spencer - 9/25/2006
Easthampton
Mating |
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