Also known from Bolivia, Brazil, Paraguay, Peru, and Suriname (Schnack 1976, Morrone et al. 2004, Ribeiro 2004).
References
SCHNACK, J.A. 1976. Insecta, Hemiptera, Belostomatidae. vol. 35, fasciculo 1. En: Ringuelet, R.A. (dir.) Fauna de Agua Dulce de la República Argentina. CONICET
MORRONE, J.J., MAZZUCCONI, S.A. & BACHMANN, A.O. 2004. Distributional patterns of Chacoan water bugs (Heteroptera: Belostomatidae, Corixidae, Micronectidae and Gerridae). Hydrobiologia 523: 159- 173.
RIBEIRO, J.R.I. 2004. Redescription and Taxonomic Considerations of Belostoma gestroi Montandon, 1900 (Heteroptera: Belostomatidae). Studies on Neotropical Fauna and Environment 39(1): 53–56.
MAZZUCCONI, S.A., LOPEZ RUF, M.S. & BACHMANN, A.O. 2009. Gerromorpha y Nepomorpha (Insecta: Heteroptera) del Parque Provincial Salto Encantado del Valle del Cuñá Pirú, Provincia de Misiones, Argentina. Lundiana 9(1): 57- 66.