Originally Posted by tonyk38

Screw-worms are one of the most gruesome. They live in South America. The fly crawls up your nose and lays an egg up there. The egg hatches and grows into a huge two inch maggot with big jaws that eats away your nasal cavity and sometimes kills you by eating its way into your brain.

They bred millions of sterile ones to eradicate an accidental introduction of them in Libya several years ago. This involved raising the maggots in big sheds full of trays of fresh blood for them to feast on.

Lovely...