Leptotarsus (Longurio) ixion (Alexander, 1949)
Alexander, 1949: 464–466 (original description); 465, figures 2 (wing) and 6 (male terminalia); (as Macromastix). Type locality: Brazil, São Paulo, Campos do Jordão.
Holotype male with labels: (1) printed on white paper: “São Paulo | Campos do Jordão | 28. XII. 1944 | F. Lane col.”; (2) printed with handwritten inscriptions on red paper: “ HOLOTYPE ♂ | Macromastix | ixion | C. P. Alexander”. Preservation: mounted at the tip of a pinned paper triangle. Missing parts: left antenna, right wing, right front leg, hind legs and terminalia.