They are commonly known as bot flies, warble flies, heel flies, gadflies.
The word "bot" means a maggot.
A warble is a skin lump or callus which is caused by the presence of warble
fly maggot inside the skin.
The infestation of any fly larvae inside the body is known as myiasis.
The human bot fly, Dermatobia hominis is responsible for myiasis in human.The human bot fly is native to Central and South America.
