Six new species of Neotrichia Morton 1905 from Brazil are described: Neotrichia anaua sp. nov., Neotrichia catrimani sp. nov., Neotrichia cauame sp nov., Neotrichia mucajai sp nov., Neotrichia quitauau sp nov., and Neotrichia xereuini sp nov. Illustrations of male genitalia are provided with each description.
Keywords: Aquatic insects, caddisflies, Neotropical region, taxonomy, Trichoptera.