Sigara leucocephala Spinola, 1837: 59. LT (Jansson, 1986a: 14): male, IT, Sardinia; MRSN.
Micronecta leucocephala angelieri Poisson, 1954a: 192, also as f. of leucocephala (syn. Wróblewski, 1964: 12; Jansson, 1986a: 14). LT (Jansson, 1986a: 15): male, FR, Corsica, Porto; USNM.