Sigara poweri Douglas & Scott, 1869: 296. HT: female, Great Britain, Scotland, Brockenhurst; BMNH.
Sigara foveifrons Thomson, 1871a: 396 (syn. Jansson, 1986a: 18). LT (Jansson, 1986a: 18): male, Sweden, Norrland; MZLU.
Sigara distans Rey, 1890: 31 (syn. Wróblewski, 1958: 305). ST(S): France, Nôtre-Dame-des-Neiges, La Bastide, Ardéche; not located (Jansson, 1986a).
Sigara vitticeps Horváth, 1895: 161 (syn. Wróblewski, 1960b: 453). LT (Jansson, 1986a: 18): male, Bosnia Hercegovina, Bosnia; MZHF.
Micronecta borealis Lundblad, 1936a: 23 (syn. Walton, 1938: 261). HT: male (slide), Sweden, Hedemora; NHRS.
Micronecta macrothoracica Jordan, 1943b: 237 (syn. Wróblewski, 1958: 305). LT (Jansson, 1986a: 18): male, Germany, Cunewalde; ZMHB.
Micronecta cornuta Wagner, 1952b: 25 (syn. Wróblewski, 1958: 305). HT: male, Germany, Neubrandenburg; ZMUH.