Semiaquatic bugs (Hemiptera, Heteroptera, Gerromorpha) from Rio Grande do Sul, southern Brazil

Rio Grande do Sul (RS) is the southernmost state in Brazil and includes areas within Pampa Atlantic Forest biomes. The semiaquatic bugs (Hemiptera, Heteroptera, Gerromorpha) from RS are poorly known, with only 14 previously recorded species. We carried out two expeditions this state, 2002 2019, across 19 municipalities. Here, we provide new records for species, of which 13 first time five have their distributions expanded, one again a same locality reported literature. Furthermore, species were collected biome Forest.