Oak Hairstreak

Satyrium favonius

Genus Satyrium
Subfamily Hairstreaks
Family Gossamer-wings
All Massachusetts Species
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Oak HairstreakOak HairstreakOak HairstreakOak 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

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

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Oak Hairstreak

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

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Oak Hairstreak

Photo © Marj Rines - 6/30/2000
Woburn

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Oak Hairstreak

Photo © Marj Rines - 7/2/2000
Woburn

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