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.