Subgenus Sigmonecta Wróblewski, 1962
Sigmonecta Wróblewski, 1962: 176
(type species: Micronecta quadristrigata Breddin, 1905, by monotypy).
Diagnosis
Males: palar claw moderately widened apically; prestrigilar flap on segment V with mesial corner acute; strigil present; median lobe of sternite VII elongate, tongue-shaped, with a rounded tip, and without long and thick setae (see Tinerella 2013: fig. 58e); strigil present; free lobe of tergite VIII sigmoid; left paramere with sickle-shaped apex; right paramere slender, distally curved (adapted from Wróblewski 1962; Chen et al. 2015).
Remarks
The subgenus Sigmonecta was established by Wróblewski (1962) for Micronecta quadristrigata Breddin, 1905 . Subsequently, two more species have been placed in this subgenus: M. altera Wróblewski, 1972 and M. kymatista Nieser & Chen, 1999 (see Chen et al. 2015).