The genus Dogonia Oldroyd, 1970, one of eight Afrotropical genera of Stenopogoninae possessing setose anatergites, is revised. D. nigra Oldroyd, 1970 is synonymised with D. saegeri Oldroyd, 1970 and D. saegeri is redescribed with illustrations of both the male and female genitalia being presented. This monotypic genus is confined to the Garamba National Park in the Democratic Republic of the Congo.