Abstract
Seven species of Perlidae (Plecoptera) from southeastern Santa Catarina State, (Brazil) were studied: Anacroneuria fiorentini De Ribeiro & Froehlich, A. ofaye Froehlich, A. trimacula Jewett, Kempnyia mirim Froehlich, K. neotropica (Jacobson & Bianchi), and K. tenebrosa Klapálek. A new species, A. xokleng is also described.