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| Banded Hairstreak - June 29 | Coral Hairstreak - Aug. 2 |
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 | Early Hairstreaks - Mt. Greylock - May 30 |
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| Edwards' Hairstreaks - Jun 29 | |
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| Gray Hairstreak - May 25 | Gray Hairstreak - Jul 26 |
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| Gray Hairstreak - Jul 26 | Juniper Hairstreak - May 25 |
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| Juniper Hairstreak - Jul 26 | Juniper Hairstreak - Jul 26 |
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| White M Hairstreak - May 25 - Ponkapoag Trail, Canton | White M Hairstreak - May 25 - Great Blue Hill, Canton |