I wouldn't worry so much about the pistils, that happens all to often. You should always harvest by looking at the tricromes. That's number one rule of thumb.
My advise would be to use a trail cam. I have them everywhere around my plants so I always know if anyone has been a little to curious. Might be a little late now but you may want to keep it in mind for next year. I busted my best friend helping his self to one of my ladies two years ago. Taught...
I'm not far from Pa. I'm in Va, and mine started flowering August 1st. You may want to try to get you an indoor set up of some kind, to finish them out. It's going to get cold here soon and you aren't going to have time to finish them out. Good luck!