Polyrhachis chalybeus Smith, 1857a: 61 (w.) WEST MALAYSIA. Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Malaysia: Malacca “MAL-CA.” (A.R. Wallace). Primary type depository: OXUM. Type notes: The holotype apparently represents a sole surviving syntype. Smith gives Singapore and Malacca as localities; the holotype is from the latter.