Micronecta griseola Horváth, 1899a: 103. LT (Jansson, 1986a: 14): male, Romania, Val du Berlad; HNHM.
Sigara minuta Fabricius, 1794: 60 (syn. Jansson, 1986a: 14) (suppressed Jansson, 1986c; Opinion 1491/1988). LT (Jansson, 1986a: 14): male, France; ZMUC.
Sigara lemana Fieber, 1860b: 89 (syn. Jansson, 1986a: 14) (suppressed Jansson, 1986c; Opinion 1491/1988). LT (Jansson, 1986a: 14): male, Switzerland, Genthod; AMNH.
Micronecta perplexa Horváth, 1899a: 103 (syn. Wróblewski, 1958: 294, suspected; Jansson, 1986a: 13). LT (Jansson, 1986a: 14): male, Hungary, Gyeke; HNHM.
Micronecta nanula Horváth, 1916a: 502 (syn. Wróblewski, 1958: 287). LT (Jansson, 1986a: 14): male, Hungary, Kis Balaton; HNHM.
Micronecta balatonica Horváth, 1931: 59. Nomen nudum (Jansson, 1986a: 14).
Micronecta griseola lusitanica Poisson, 1938a: 113 (syn. Wróblewski, 1960b: 451). LT (Jansson, 1986a: 14): male, France, Agly; USNM.