The genus Stridulivelia Hungerford (Heteroptera: Veliidae: Veliinae) is composed by 15 species, which are divided into the subgenera Stridulivelia s.str. Hungerford and Aenictovelia Polhemus. The nominal subgenus includes ten species restricted to South America, ranging from Colombia to Argentina. The other subgenus contains five primarily Mesoamerican species, one of which extends its distribution into northern South America. An updated identification key, diagnoses, notes, and illustrations of all South American species are provided.