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.
On Sep 23, 2012, at 11:54 AM, Sue Wetmore wrote:
Hi: I need help in identifying this species.