Because it is the most common of all domestic flies and lives in human habitations.
When houseflies rub their hind limbs together, they are cleaning themselves. Grooming is a primary activity among houseflies and may even be called 'hand' rubbing.
There are no houseflies in Alaska.
Houseflies are born from maggots.
The family that common houseflies come from are Muscidae.
The houseflies enemies, other than the human, are spiders.
Nowhere. There are plenty of houseflies still in Australia.
no
feces
Yes they are.
yes
finn
Houseflies lay their eggs in carrion, like dead animals. Gross, I know.