Corixoidea (Sigmonecta), Wroblewski, 1962

Chen, Ping-ping, Nieser, Nico & Lapidin, Johnny, 2015, A review of Bornean Micronectidae (Hemiptera, Heteroptera, Nepomorpha) with descriptions of two new species from Sabah, Malaysia 1, ZooKeys 501, pp. 27-62 : 45

Taxon classification Animalia Hemiptera Micronectidae

Subgenus Sigmonecta Wroblewski, 1962

Type species.

Micronecta quadristrigata Breddin, 1905, by monotypy.

Diagnosis.

Medium-sized to larger Micronecta , body length 2.2-3.2 mm. Males with process of abdominal sternite VII elongate, tongue-like, with a rounded tip (Figs 64, 65), and without larger bristles; strigil present; free lobe of tergite VIII sigmoid (Fig. 72); and left paramere with a sickle-shaped apex (Figs 87, 89).

Remarks.

Wróblewski (1962: 176) erected Sigmonecta as a new subgenus for Micronecta quadristrigata Breddin, 1905, without describing the subgenus. His comments were as follows: "I have already stressed in an earlier paper ( Wróblewski 1960 a) the isolated systematic position of Micronecta quadristrigata Bred. Now I propose to place it in a separate, so far monotypic subgenus Sigmonecta subg. n., named so on account of the sigmoid outline of the eighth abdominal tergite in the males."