Acromyrmex crassispinus is a species of New World leaf-cutter ant of the subfamily Myrmicinae of the genus Acromyrmex.
It is found throughout tropical South America and is present in particularly high densities in Argentina and Paraguay.
Acromyrmex crassispinus is a fungus growing leafcutter and like all Acromyrmex, crassispinus can be identified by its four pairs of spines and a rough exoskeleton on the upper surface of the thorax.
A mature Acromyrmex crassispinus colony can contain more than 8 million ants and will contain four worker castes; minims, minors, mediae and majors.
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Tags: Acromyrmex | crassispinus
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