Dinoponera gigantea has been found on the coast of Guyana, in the Brazilian states of Amazonas, Pará including Marajo Island, Mato Grosso and Maranhão as well as the Loreto Province in Peru.
Dinoponera longipes have been collected in eastern Peru in the departments of Loreto, Amazonas, Huánuco, San Martín and Pasco, as well as Ecuador in the province of Pastaza.
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Males can be distinguished from other Dinoponera by the following combination of character states: funiculus of antennae with short, thick decumbent setae; pygidial spine shorter than in Dinoponera gigantea and Dinoponera quadriceps but longer and narrower than in Dinoponera australis and Dinoponera snellingi, volsella with broad basal lobe covered in minute teeth.