Sigara scholtzi Fieber, 1860b: 90. LT (Jansson, 1986a: 12): female, Spain; AMNH.
Sigara scholtzii Scholtz, 1847: 105; Fieber, 1851a: 30. Nomen nudum, suppressed (Jansson, 1986b, Opinion 1505/1988).
Sigara meridionalis A. Costa, 1862: 35 (syn. Puton, 1880: 238, suspected; Puton, 1884: 149; Jansson, 1986b: 175). ST(S): Italy, Naples area; lost (Jansson, 1986a).
Sigara laevissima Puton, 1886b: 23 (syn. Wróblewski, 1964: 4, with M. meridionalis). HT: female, Tunisia, Oudref; HNHM.
Micronecta semilaevis Horváth, 1899a: 102 (syn. Wróblewski, 1958: 255, with M. meridionalis). LT (Jansson, 1986a: 12): male, no locality (described from France, Italy, Hungary and Portugal); HNHM.
Micronecta solitaria Horváth, 1899a: 103 (syn. Wróblewski, 1964: 4, with M. meridionalis). LT (Wróblewski, 1964: 6): female, Tunisia, Gabes; HNHM.
Micronecta biimpressa Horváth, 1899a: 104 (syn. Wróblewski, 1964: 4, suspected; Jansson, 1986a: 10). Type material: Algeria; lost (Jansson, 1986a).
Micronecta biskrensis Horváth, 1899a: 104 (syn. Wróblewski, 1964: 4, with M. meridionalis). LT (Jansson, 1986a: 12): male, Algeria, Biskra; MNHN.
Micronecta brachynota Horváth, 1899a: 104 (syn. Wróblewski, 1958: 255, with M. meridionalis). LT (Jansson, 1986a: 12): male, France, St.-Sever; MNHN.
Micronecta latiuscula Horváth, 1899a: 104 (syn. Wróblewski, 1964: 4, suspected; Jansson, 1986a: 12). LT (Jansson, 1986a: 12): female, Italy, Sardinia; MNHN.
Micronecta maculosa Horváth, 1899a: 104 (syn. Wróblewski, 1964: 4, suspected; Jansson, 1986a: 12). LT (Jansson, 1986a: 12): male, Algeria, Tougourt; MNHN.
Micronecta algirica Poisson, 1928a: 241 (syn. Wróblewski, 1964: 4, suspected; Jansson, 1986a: 13). LT (Jansson, 1986a: 13): male, Algeria, Lac des Oiseaux; USNM.