. . . . . "Acromyrmex crassispinus is a species of leaf-cutter ant, a New World ant of the subfamily Myrmicinae found in the wild naturally throughout South America, especially in Argentina and Paraguay.Acromyrmex crassispinus is black-brown in colour; the queen is 10 \u2013 12 mm in size and the workers may range from 5 to 15 mm long."@en . . . "Acromyrmex crassispinus"@en . . . . .