| Occurrence | Principally west of Connecticut River - resident |
| Abundance | Fairly common to common; maximum 143 |
| Flight Period | June 15 - September 12 (mainly late June to mid-August) |
| Notes | Any suspected Atlantis Fritillary in eastern MA should be carefully identified |
| Overwintering | Unfed 1st instar - Larva |
| More info |
Massachusetts Butterfly Atlas Website |
| More info |
Butterflies of Massachusetts Website |
Atlantis Fritillary - Speyeria atlantis
Photo by Erik Nielsen - 7/9/2002
Pittsburg, NH |
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