Polyrhachis euryala

Identification
Polyrhachis euryala is distinctly more slender than Polyrhachis rastellata with the greatest width of the pronotal dorsum in the middle of its length. Polyrhachis rastellata is more robust, notably across the pronotum which is widest across, or just behind the shoulders. (Donisthorpe 1938)

Distribution
Patchily distributed through the eastern islands of Indonesia and New Guinea.

This taxon was described from Indonesia (Misool Island).

Worker
Length 2 ½ lines. Black, smooth and shining; the thorax rounded above, not spined; the outline, when viewed laterally, semicircular; the legs obscure ferruginous. Abdomen globose; the node of the peduncle with four spines, the two inner ones shorter than the lateral pair, but all short and acute.

Type Material
Syntype workers and  – as reported by Kohout (2006).

Type Locality Information
INDONESIA, Mysool Island, col. A.R. Wallace.