I live in north Florida and the alpacas and I are all about to go crazy with the swarming gnats. Any advice? I have tried spray Frontline and a spray for horses that is supposed to keep gnats away. When I am out in the pasture to feed in the evening, I probably ingest at least 20-30 gnats and they fly in my eyes and ears as well. I can go inside to escape the attacks, but I am really concerned about the 'pacas who are stuck out there with them.