New records of Gerromorpha (Insecta: Hemiptera: Heteroptera) from Brazil

New records are presented for twenty-four species of Gerromorpha belonging to Gerridae (Brachymetra furva, B. lata, Cylindrostethus palmaris, Halobatopsis platensis, Limnogonus aduncus aduncus, L. ignotus, L. profugus, L. recurvus, Ovatametra minima, O. obesa, Tachygerris adamsoni and Neogerris lubricus), Mesoveliidae (Mesovelia zeteki and Mesoveloidea williamsi) and Veliidae (Microvelia longipes, Oiovelia brasiliensis, O. cunucunumana, Paravelia bullialata, P. capixaba, Platyvelia brachialis, Rhagovelia tenuipes, Stridulivelia astralis, S. quadrispinosa and S. tersa). These new records are distributed among the four administrate regions of Brazil, and the known geographical distribution of these species in the country is presented.