P. nigra; antennis mandibulis pedibus abdominisque apice ferrugineis.
Female. Length 31/2- lines. Black: the antennae, mandibles, legs and apex of the abdomen ferruginous; the head finely shagreened. Thorax oblong-ovate, finely longitudinally rugulose; the sides of the metathorax coarsely rugose, the truncation transversely striated; the scale of the abdomen incrassate, rounded above, transversely striated in front and behind; the abdomen smooth and shining, with a thin fine grey pubescence.
Hab. Borneo (Sarawak).
Female. Length 3 1/2 lines.-Black: the antennae, mandibles, legs, and apex of the abdomen ferruginous; the head finely shagreened. Thorax oblong-ovate, finely longitudinally rugulose; the sides of the metathorax coarsely rugose, the truncation transversely striated; the node of the peduncle incrassate, rounded above, and transversely striated in front and behind; the abdomen shining, and with a fine thin grey pubescence.
Hab. Borneo (Sarawak). (Coll. W. W. Saunders, Esq.)
Formica apicalis, Latr. Hist. Nat. Fourm 204. pl. 7. f. 42. A.
Hab. South America; Brazil (Para).