Key to Polyrhachis (Hemioptica) species

The following key to Polyrhachis (Hemioptica) species (based on the worker caste) is modified from Dorow and Kohout (1995 ).

1

 * Smaller (HL <1.47); body covered with appressed silvery pubescence; eyes more or less entire => Polyrhachis bugnioni
 * Larger (HL >1.57); dorsal surfaces of body virtually without appressed pubescence; eyes posteriorly truncate => 2

2

 * Dorsum of mesosoma highly polished; lateral angles of petiole broadly and obtusely dentate => Polyrhachis boltoni
 * Dorsum of mesosoma closely sculptured, semi opaque; lateral angles of petiole acutely spinose => Polyrhachis scissa