Arachnomura adfectuosa Galiano, 1977a: 145 (Holotype Ƌ: ARGENTINA:Provincia de Buenos Aires: Cordón Esmeralda, 38.09°S, 91.83°W, Sierra de la Ventana, leg. M.E. Galiano, 3.X.1972, MACN 6729 —examined).
Tartamura adfectuosa Bustamante & Ruiz, 2017: 330.
Diagnosis. See Bustamante & Ruiz (2017).
Description. See Galiano (1977a).
Other material examined (new records).BRAZIL:Rio Grande do Sul: Xangri-lá, 29.800833°S, 50.043611°W, leg. A.A. Lise, 19.II.1999, 1Ƌ (MCTP 10482).
Distribution. Known only from Argentina and the state of Rio Grande do Sul, Brazil.