From material collected in different localities by Prof. Amilton Ferreira of the Rio Claro Faculty of Philosophy, three species of Orthoptera belonging to the family Tettigoniidae, subfamily Copiphorinae, considered new for the science were separated for being described in the present paper. These species are Neoconocephalus xiphophorus n.s. (Rio Claro, SP), Neoconocephalus precarius s.n. (Januária, MG), and Neoconocephalus rioclarensis s.n. (Rio Claro, SP). Types in the collection of the Department of Zoology of the ESALQ, Piracicaba.