Monanthia angustata Herrich-Schaeffer, 1838: 61. ST(S): Germany, Regensburg; lost.
Catoplatus parallelus A. Costa, 1847a: 19 (syn. Horváth, 1906a: 73). ST(S): Italy, Naples; ZIUN? (not found).
Catoplatus variolosus A. Costa, 1847a: 20 (syn. Puton, 1884b: 148). ST(S): Italy, Astroni Lake, nr Naples; ZIUN? (not found).
Monanthia brachycera Fieber, 1861: 121 (syn. Horváth, 1881b: 36). ST(S): Yugoslavia; lost?.
Monanthia fieberi Puton, 1886a: 33. Unnecessary new name (see Péricart, 1981c: 495).
Monanthia angustata var. sympathica Horváth, 1881a: 41. LT: male, Slovakia, Varanno; HNHM.
Monanthia (Platychila) taurica Jakovlev, 1903c: 193 (syn. Horváth, 1906a: 73). ST(S): Ukraine, Crimea, Simferopol Distr., Tarnair; HNHM? (see Golub, 1977a).
?Tingis angustata var. diminuta Horváth, 1906a: 74 (syn. Péricart, 1981c: 494, suspected). ST(S): submacr., Spain, Albarracin; lost?