Belgrano Cargas company also took over some services from Urquiza, San Martín and Sarmiento railways. Belgrano Cargas Belgrano Cargas S.A. was an Argentine State-owned company which operated the gauge freight rail network built by Central Northern and Province of Santa Fe Railways, which became part of Belgrano Railway network after railway nationalization of 1948. The network operated by Belgrano Cargas extended through the provinces of Buenos Aires, Santa Fe, Córdoba, Mendoza, Santiago del Estero, San Juan, La Rioja, Catamarca, Tucumán, Chaco, Formosa, Salta and Jujuy. The line also reached all the Argentina's neighbouring countries, such as Bolivia, Uruguay, Brazil, Chile and Paraguay.
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