Flies rubbing their heads off is an unconscious behavior that flies often ? rub their hands together? generally for several reasons: to identify the smell of objects, to summon a mate, and to rub the food residue off their legs as a way to reduce the weight of the flight, and while performing the above behaviors, they unintentionally rub their heads off.
Can flies survive with their heads rubbed off
Flies can survive for some time with their heads rubbed off, because the circulatory, respiratory, and nervous systems of flies are not highly concentrated in the head.
Flies without heads will be starved to death, although the absence of the head will not affect blood circulation, but also can not continue to eat.
Although flies have a strong tolerance to bacteria, but only when the body is intact to use rapid excretion to maintain, after the loss of the head will be infected by bacteria and die.