Corixidae

Corixidae is one of the richest families of aquatic bugs in Argentina, with 28 recorded species in 5 genera (Coscarón 2017). Bachmann (1979, 1981), Poi de Neiff (1984, 1993, 2003), Contartese & Bachmann (1986), Estévez et al. (2003) and López Ruf et al. (2003) previously reported three species from INR, which were all collected during this study. Sigara denseconscripta (Breddin, 1897) is herein first recorded from this Reserve. Sigara rubyi (Hungerford, 1928) and S. schadei (Hungerford, 1928), reported from Corrientes Province (Bachmann 1961, 1979, 1981; Contartese & Bachmann 1986; López Ruf et al. 2003), have not been collected in the INR.