Provinces of Argentina became provinces in 1951. Misiones did so in 1953, and Formosa, Neuquén, Río Negro, Chubut and Santa Cruz, in 1955. The last national territory, Tierra del Fuego, became the Tierra del Fuego, Antártida e Islas del Atlántico Sur Province in 1990. Argentina is a federation of twenty-three provinces and one autonomous city, Buenos Aires. Provinces are divided for administration purposes into departments and municipalities, except for Buenos Aires Province, which is divided into partidos and "localidades". Buenos Aires City itself is divided into communes ("comuna") and non-official neighbourhoods ("barrios"). Provinces hold all the power that they chose not to delegate
Myrmecia formosa yellow. This species compared to others is rather unusual with its colours. Myrmecia formosa Myrmecia formosa is an Australian ant which belongs to the "Myrmecia" genus. This species is native to Australia. Their distribution in Australia has notably been studied and collected in New South Wales. "Myrmecia formosa" is a small species, as the typical size for a worker in the species is only 10-13 millimetres in length. The clypeus, pronotum, mesonotum, and the node is a blood red colour, the gaster, sides of the thorax, half of the head and other features are black, legs are brown, tarsi is