The common housefly is a marvel of aeronautical engineering.
The world's smallest known vertebrate is a frog the size of a housefly, a new study says.
No bigger than a housefly, the new species is the smallest known animal with a backbone, a new study says.
British Dictionary definitions for housefly
housefly
/ˈhaʊsˌflaɪ/
noun (pl) -flies
1.
a common dipterous fly, Musca domestica, that frequents human habitations, spreads disease, and lays its eggs in carrion, decaying vegetables, etc: family Muscidae