SCREWWORM
a worm gear or other mechanical device bearing a screw.
a large american blowfly larva which enters the wounds of mammals and sometimes humans, developing under the skin and often causing death. the adult fly is called the screw-worm fly.
a large american blowfly larva which enters the wounds of mammals and sometimes humans, developing under the skin and often causing death. the adult fly is called the screw-worm fly.