hypoderma

Main Entry: hy·po·der·ma
Pronunciation: "hI-p&-'d&r-m&
Function: noun
1 capitalized : a cosmopolitan genus(the type of the family Hypodermatidae) of dipteran flies that have larvae parasitic in the tissues of vertebrates and include the heel flies and the common cattle grub (H. lineatum)
2 : any insect or maggot of the genus Hypoderma

Hypoderma Hy·po·der·ma (hī'pə-dûr'mə)
n.
A genus of botflies whose larvae cause a creeping eruption in humans.