hypoderma

noun

hy·​po·​der·​ma ˌhī-pə-ˈdər-mə 

1

capitalized : a cosmopolitan genus (family Oestridae) 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