Sigara Fabricius, 1775 Checklist and distribution of semiaquatic and aquatic Heteroptera (Gerromorpha and Nepomorpha) occurring in Brazil 2958 Moreira, Felipe Ferraz Figueiredo Barbosa, Julianna Freires Ribeiro, José Ricardo Inacio Alecrim, Viviani Pereira Zootaxa 2011 2011-07-08 2958 1 1 74 (Fieber, 1851) Fieber 1851 [151,562,439,464] Insecta Corixidae Centrocorisa Animalia Hemiptera 32 33 Arthropoda species kollarii  Distribution in Brazil: Northeast and Southeast regions (PE, MG) ( Hungerford 1948; Vianna & Melo 2003; Melo & Nieser 2004).     Sigara Fabricius, 1775(9 species)  Comments:  Sigara trimaculata(Le Gillou, 1841)is known from Chileand Argentina, and was recorded from Paraguayand the South Region (RS) of Brazilby Hungerford (1948). However, according to Bachmann (1981), records of this species from Braziland Paraguayare based on females only and erroneous. This opinion is followed here, and  S. trimaculatais not accounted for Brazil.    Sigara( Tropocorixa) Hutchinson, 1940(10 species)