Diaditus semicolon Stål, 1859
1859a Diaditus semicolon Stål, 16:363–386. Uruguay: Montevideo, 34°53'S – 56°10'W.
1873 Stenopoda semicolon Walker, 2:241–417 [Uruguay: Montevideo, 34°53'S – 56°10'W].
1879 Diaditus semicolon Berg, 7:262–278 [Uruguay: Montevideo, 34°53'S – 56°10'W].
1896 Diaditus semicolon Lethierry & Servin, 3:1–275 [Uruguay: Montevideo, 34°53'S – 56°10'W].
1959 Diaditus semicolon Ruffinelli & Pirán, 51:1–60 [Uruguay: Montevideo, 34°53'S – 56°10'W].
1982 Diaditus semicolon Giacchi, 41:9–28 [Uruguay: Guaviyú, 31°29'S – 54°50'W, La Aurora, 31°28'S – 57°52'W Paysandú, 32°13'S – 57°27'W Rivera, 30°54'S – 55°33'W].
Material examined. Uruguay: 2 3 Montevideo, 34°53'S – 56°10'W, XI-1922, XII-1927. Remarks. This species is confirmed from Uruguay.
Distribution outside Uruguay: Argentina, Bolivia, Brazil.