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[[worker]]. Length 2.2 mm.
Head, thorax, and pedicel dark chestnut-brown; gaster bright orange; mandibles, legs, and antennae intermediate in colour between head and gaster.
Mandibles 4-dentate. Anterior portion of clypeus hollowed out, so as to form two carinae at each side, ending in two teeth at anterior border; the posterior portion flattened.
Head very slightly broader than long, broadest at occiput, narrowed in front. Antennal scrobes extend just beyond the eyes, which are placed well behind the middle of sides. First joint of club of antennae equals the following two together. Occipital border widely emarginate. Frontal area distinct, crescent-shaped, shining.
Promesonotum broader than long; the lateral festoon is fairly straight for the anterior two-thirds, ending in three pointed projections, the second longest, and the third pair encircling the node. Shoulders of pronotum with a triangular projection turned forwards. Epinotum sloping, armed with two long, narrow, pointed spines.
Node slightly broader than long, somewhat wider in front, the anterior border rounded; in profile the anterior border is straight.
Mandibles striate, clypeus with longitudinal ridges.
Head: anterior quarter with longitudinal ridges which gradually become reticulations until when the occiput is reached the sculpture consists of coarse reticulate punctures, shining at the bottom.
Promesonotum sculptured similarly to the occiput, as is also the node, but in the latter the punctures are more elongate.
Gaster subopaque, with a fine reticulate ground-sculpture.
There is also a fine reticulate ground-sculpture on the head, with the exception of the clypeus and occiput.
This strikingly coloured species was taken by Mr. Hill (no. 604) at Koolpinyah, Northern Territory of Australia. The nest was in a small hole on a gravel ridge, and had neither crater nor mound.
Type in the British Museum.
Found most commonly in these habitats: 1 times found in Eucalyptus woodland.
Found most commonly in these microhabitats: 1 times ground forager(s).
Elevations: collected at 80 m
Type specimens: syntype of Meranoplus aureolus: casent0902048