Also known from Brazil and Colombia (Schnack 1976; Perez Goodwyn 2006).
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
PEREZ GOODWYN, P.J. 2006. Taxonomic revision of the subfamily Lethocerinae Lauck & Menke (Heteroptera: Belostomatidae). Stuttgarter Beitrage zur Naturkunde, 695(71): 71