A taxonomic revision of the seed-harvester ant genus Pogonomyrmex (Hymenoptera: Formicidae) on Hispaniola Author Johnson, Robert A. Author Cover, Stefan P. text Zootaxa 2015 3972 2 231 249 journal article 40260 10.11646/zootaxa.3972.2.5 2adbbfb9-f544-45b6-9269-748b09f702d6 1175-5326 239574 6A51EB89-0FE5-4F49-B427-E75459D8A3AF Key to workers for species of Pogonomyrmex on the island of Hispaniola 1 Dorsum and sides of mesosoma and posterior surface of petiolar node with coarse, regular to weakly irregular, subparallel, longitudinal rugae ( Figure 6 )......................................................................... saucius - Dorsum and sides of mesosoma rugoreticulate to vermiculate; posterior surface of petiolar node mostly smooth, granulatepunctate to rugoreticulate, but lacking subparallel longitudinal rugae ( Figures 1 , 2 , 9 )............................... 2 2 Small (HW = 0.90–1.17 mm ); posterior surface of petiolar node viewed from behind and above broadly fan-shaped and about as wide as long; in dorsal view, petiolar node about as wide as postpetiolar node (PW/PPW = 0.87–1.03); anterior surface of petiolar node mostly smooth and shining, forming a noticeably obtuse angle with peduncle of petiole; dorsum of postpetiole and first gastral tergum smooth and shining to partly or completely punctate, weakly shining..................... schmitti - Larger (HW = 1.11–1.35); posterior surface of petiolar node viewed from behind and above elongate, clearly longer than wide; in dorsal view, petiolar node notably narrower than postpetiolar node (PW/PPW = 0.78–0.90); anterior surface of petiolar node partly to completely sculptured, dull to weakly shining, forming a right to weakly obtuse angle with peduncle of petiole; dorsum of postpetiolar and first gastral tergum strongly punctate, dull....................................... aterrimus