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Pheidole megacephala subspecies melancholica (Santschi) HNS
Six soldiers, five workers, and seven females, mostly winged, taken at Garamba (Lang and Chapin) from the stomachs of a toad (Bufo regularis) and two frogs (Rana ornatissima and Kassina senegalensis). The female is a little larger than the female of the typical megacephala HNS , with the head and thorax more sharply sculptured and the color of the body, including the clypeus and mandibles, darker, almost black; the legs more yellowish, as in the worker.
This is the host of the singular workerless parasitic ant, Anergatides kohli HNS , recently described and figured by Wasmann from the vicinity of Stanleyville.2