Rhyparochromus (Microtomideus) seidenstuckeri J.A. Slater, 1964a: 1306. New name for tenebrosus Seidenstücker, 1963.
Rhyparochromus (Graptopeltus) moerens (non Reuter, 1885): Wagner, 1961x: 107, 115. Misidentification (see Seidenstücker, 1963e: 417).
Rhyparochromus (Microtomideus) tenebrosus Seidenstücker, 1963e: 415 (junior primary homonym of Rhyparochromus chiragra var. tenebrosa Kiritshenko, 1912). HT: male, Turkey, Pazarcik, Marash [= Pazarcık, Kahramanmaraş, 37°28'44"N, 37°18'17"E]; ZSMC.