Belostoma pygmeum Dufour, 1863

(Figs. 3A, 8B)

Known distribution: BOLIVIA: unknow Department (Estévez & Polhemus, 2007). BRAZIL: Amazonas, Paraná (Estévez & Polhemus, 2007; Ribeiro et al., 2018). PARAGUAY: unknow Departament:(Estévez & Polhemus, 2007). PERU: unknow Region (Estévez & Polhemus,2007).

Material examined: 1 male, ethyl alcohol 70%, BRAZIL, Amazonas, Manaus municipality, campus F.U.A, light trap, ESALQ, 27-28.IX.1982, T. M. Almeida, 2018 det .; 1 male, pinned, Manaus municipality, 05.XI.1962, several collectors, 0021057, 2478, J. R.I. Ribeiro, 2004 det .; 4 males and 5 females, ethyl alcohol 92%, Manaus municipality, Bosque da Ciência – INPA campus I, 13.IV.2018, T. M. Almeida & F. Stefanello colls., F. Stefanello, 2018 det. 1 male, ethyl alcohol 70%, Pará, Almerim municipality, Paranaquara lake, near Amazonas river, A25L, 05.X.2003, P. de Marco & N. Ferreira-Jr. colls., V. P. Alecrim det.

Notes: This is the first record of B. pygmeum from Pará state (Brazil).