Apterostigma steigeri

Distribution
This taxon was described from Argentina.

Nomenclature

 *  steigeri. Apterostigma steigeri Santschi, 1911b: 52, figs. 1-3 (w.) ARGENTINA. Santschi, 1912e: 529 (q.). Senior synonym of affinis, luederwaldti: Lattke, 1997: 171.
 * affinis. Apterostigma affinis Santschi, 1922b: 354 (w.) PARAGUAY. Junior synonym of steigeri: Lattke, 1997: 171.
 * luederwaldti. Apterostigma luederwaldti Santschi, 1923d: 66 (w.) BRAZIL. Junior synonym of steigeri: Lattke, 1997: 171.