A list of Cassidinae s. str. species collected with Malaise traps on PROFAUPAR and PROVIVE projects conducted in Paraná, Southern Brazil, is presented. Along four years of sampling, 176 specimens of Cassidinae s.str. were collected totalizing 16 genera and 39 species. Among them, 22 species represent new records to Paraná, 11 are new registers to South Brazil and one species, Microctenochira achardi (Spaeth, 1926), is registered to Brazil for the first time. The richest genera were Charidotis, with 12 species, followed by Microctenochira, with seven species and Charidotella, with three species. The most abundant species was Charidotis consentanea (Boheman, 1855), with 26 specimens.