It might be late in the year for it (I don't know) and it might be dying.
I saw one link said the females usually have groves on their wings and the males don't too. Not sure if the grooves I see on yours are what they're talking about though and not sure if that goes for that species or not.
I saw one link said the females usually have groves on their wings and the males don't too. Not sure if the grooves I see on yours are what they're talking about though and not sure if that goes for that species or not.