Comments on: Black Flies on Mountaintops The EPA Blog Thu, 30 Jul 2015 11:15:11 +0000 hourly 1 By: Garmin Vector Mon, 30 Jul 2012 11:33:46 +0000 I love to go hiking whenever my distant cousins visit, but there is no way ever I can tolerate those bugs, mosquitoes and flies sticking to my body. I make sure to cover as much of my body as I can.