General Description

Head black, abdomen mostly black, and thorax and legs orange-brown. Workers up to 2 cm long.

Biology

The size of these ants differs between individuals from the same nest. The larger ones act as soldiers to defend the nest, and the smaller ones act as workers. The soldiers can bite, but they do not have a sting.

Distribution

Eastern mainland Australia and Tasmania.

Habitat

Urban areas, forests, woodland, heath, arid areas.

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