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Satyrium...? - Satyrium caryaevorus

Satyrium...? - Satyrium caryaevorus
Deansboro, Oneida County, New York, USA
July 1, 2005
I'd like to contribute several hairstreak photos I have, but I honestly can't tell the difference between several different species in the genus Satyrium - Acadian, Hickory, Edwards, Banded, etc. Which species is this? (This and the preceding two photos are not of the same specimen)

It has most of the features of a Hickory Hairstreak. The blue patch extends into the dots, the dots have white lines on both sides, and the inwermost pair of white lines are in line with each other.
These are tricky, but I think it's a Hickory.

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