Worker. Length 3 1/2 lines.-Head, thorax and legs black; abdomen ferruginous. Head and thorax opake, very delicately shagreened, the sides of the thorax and the legs with a slight rusty-red appearance; the anterior margin of the clypeus rounded; the eyes pale reddish-brown. Thorax armed in front with two long straight spines, directed obliquely forwards; the pro- and metathorax slightly convex, not margined laterally above; the metathorax with the lateral margins raised, longitudinally concave above, and terminating on each side in a long, straight, slightly divergent spine, the spines obscurely ferruginous at the apex. Abdomen subglobose, the scale of the peduncle incrassate, and with two long acute curved spines above.
Hab. Burmah.
Polyrhachis abdominalis is een mierensoort uit de onderfamilie van de schubmieren (Formicinae).[1][2] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1858 door Smith, F..
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