Classification: | Kingdom: Animalia | Phylum: Arthropoda | Class: Insecta | Order: Hymenoptera | Family: Formicidae | Genus: Dinomyrmex |

The head size of the soldier ants (below) are larger compare to the workers (above).

It appears that this ant has moved to a new genus, Dinomyrmex in 2016 [1]. Previously, this ant is known as Camponotus gigas. More information on this ant is available at Mark Wong's blog.

Reference:

[1] Ward PS, Blaimer BB, Fisher BL. A revised phylogenetic classification of the ant subfamily Formicinae (Hymenoptera: Formicidae), with resurrection of the genera Colobopsis and Dinomyrmex. Zootaxa 2016;4072(3):343-357. | Read article |