Five new species of Smicridea McLachlan, 1971, are described and illustrated for specimens collected during entomological inventories in the states of Espírito Santo, Goiás, Rio de Janeiro, São Paulo and Paraná (Brazil). Four of these new species belong to the subgenus Rhyacophylax Müller, 1879: S. (R.) froehlichi, S. (R.) jundiai, S. (R.) mangaratiba, S. (R.) ralphi, and one to the subgenus Smicridea McLachlan, 1871: S. (S.) mirnae.
Trichoptera; Smicridea; new species; Brazil; inventory