Oak Hairstreak

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Occurrence	Known principally from eastern mainland MA - resident
Abundance	Very uncommon to rare; maximum 4
Flight Period	June 20 - July 27 (mainly late June to mid-July)
Notes	Look for this species early in the summer hairstreak season
Overwintering	Egg
More info	Massachusetts Butterfly Atlas Website
More info	Butterflies of Massachusetts Website

Oak Hairstreak is listed as a species of 'Special Concern' in Massachusetts. If you find specimens of this species, please take a photograph, note your location carefully, and fill out a Rare Animal Observation Form for the Massachusetts Division of Fisheries and Wildlife.

More information on Endangered Species in Massachusetts.

Oak Hairstreak - Satyrium favonius

Photo by Erik Nielsen - 6/30/2002
Turkey Hill Reservation, Hingham

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Oak Hairstreak - Satyrium favonius

Photo by Erik Nielsen - 6/30/2002
Turkey Hill Reservation, Hingham

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Oak Hairstreak - Satyrium favonius

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Oak Hairstreak - Satyrium favonius

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