hypoderma

noun

hy·​po·​der·​ma ˌhī-pə-ˈdər-mə 

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