you put a piece of tape over the wound
until it rusts to death in your face.

Also, a friend of mine got a bot fly in Bolivia. He had to be quarantined for 3 days, unnecessarily.
( intesvensk vimeo.com/candela, Wed 31 Oct 2007, 23:46, archived)

Gotcha
shall keep trusty ducked tape handy !
( Valin I changed glasses while I wasn't looking, Wed 31 Oct 2007, 23:48, archived)