greenbottle fly

noun
green·​bot·​tle fly | \ ˈgrēn-ˌbät-ᵊl- How to pronounce greenbottle fly (audio) \

Medical Definition of greenbottle fly

: any of several brilliant coppery green-bodied flies of the family Calliphoridae and especially one of the genus Lucilia (L. sericata)

called also greenbottle