This species is native to Australia.

Their distribution in Australia is massive on the coastline and inland areas of New South Wales and Victoria.

[1] The average length for a worker ant of a Myrmecia simillima is 19-23 millimetres long.

Queens are of a bigger size at 22-24 millimetres in length.

The head, thorax, node, and other features are brown, gaster is black, mandibles and legs and other parts are reddish, with the tarsi and funiculus is a yellowish-red.