Sunscreen/bug spray bringing me down!
I have had good luck with Sawyer Picaridin Repellent. YMMV as some non-deet versions I have tried don't work a lick, this one seems to work for me. Non-DEET will never be as effective as DEET but it is less harsh on nylon and your skin!
http://www.rei.com/product/785883
http://www.rei.com/product/785883
Make no little plans; they have no magic to stir men's blood. ~ Daniel Burnham