If you took this picture recently, I would expect it is a Wild Indigo Duskywing. I don't think any other Duskywing would be flying so late. 
It does show a pale area on the forewing extending out to the leading edge, one of the distinguishing marks for Wild Indigo. 
Duskywings are tough to ID.

  Terri Armata

On Sep 23, 2012, at 11:54 AM, Sue Wetmore wrote:

Hi:  I need help in identifying this species.


Sue Wetmore