Belostoma guianae Lauck, 1962
(Figs. 1H, 5A)
Known distribution: GUYANA: Cuyuni-Mazaruni (Lauck, 1962), Demerara-Mahaica (Lauck, 1962), East Berbice-Corentyne (Lauck,1962), Essequibo Islands-West Demerara (Lauck, 1962), Upper Takutu-Upper Essequibo (Nieser, 1975). SURINAM: Surinam (Nieser, 1975).
Material examined: 3 males and 5 females,ethyl alcohol 70%, BRAZIL, Roraima, Amajari municipality, Maracá Ecological Station, near Uraricoera river, light trap, 21-23. IX.1987, team Nhamenhame colls., M.E.Lanzer-de-Souza, 1987 det.
Notes: This is the first record of B. guianae to Brazil (Roraima).