Atta sexdens rubropilosa is the scientific name.
The ant is called "sauva" in portuguese (Brazil). It is abundant in South America and is a leafcutter ant. The leaves are used as a base to grow a fungus (their real food).
The picture posted above shows a female (huge abdomen and wings) and is popularly known as Issah, Bitu or Tanajura.
It can bite, but does not have a sting. It is not aggressive though. The males can be aggressive when defending the colony.
It is edible. The abdomen is rich in lipids and protein (female carries eggs). The ants are collected by kids, then the abdomen is detached, fried and cooked with cassava flour. It is considered an unique dish in some parts of Brazil.