Worker. Length 4 1/4 lines.-Black: covered with a fine, short, silky, ashy pile; the head quadrate, with the angles rounded, longitudinally striated, the striae irregular, running into one another; the prothorax with striae diverging from the centre; the strias on the meso- and metathorax above are longitudinal, but on the oblique truncation they are transverse; the nodes of the peduncle globose, the first rugose, and with a short thick petiole. The mandibles, antennae, tibiae, tarsi, apical half of the anterior femora, and tips of the intermediate and posterior pairs, pale rufo-testaceous.
Female. Length 5 lines.-Of the same colour as the worker, similarly pilose: the thorax broader and more coarsely sculptured; the first node of the petiole transversely and coarsely rugose, with a central longitudinal carina.
Male. Length 3 1/2 lines.-Resembles the other sex, but has the antennae, tibiae and tarsi dark obscure testaceous; it is altogether more coarsely rugose, not distinctly striate; the first node of the petiole rugose and carinated as in the female.
Hab. Australia; Tasmania.
- Smith, F. (1858): Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London, British Museum: 146-146, URL:http://antbase.org/ants/publications/8127/8127.pdf
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