Acromyrmex crassispinus

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 southern Brazil.

Acromyrmex crassispinus is black-brown in colour; the queen is 10 – 12 mm in size and the workers may range from 5 to 15 mm long.

Other names

 * Acromyrmex atratus Gonçalves, 1961
 * A. diabolica Gonçalves, 1961
 * A. insularis Gonçalves, 1961
 * A. mediocris Gonçalves, 1961
 * A. mesonotalis Forel, 1909
 * A. rufescens Gonçalves, 1961
 * A. rusticus Gonçalves, 1961