title: New species of Isotomiella Bagnall, 1939 from Southeast of Brazil (Collembola, Isotomidae).
abstract: Two new species of the genus Isotomiella Bagnall, 1939 are described and illustrated, the first: Isotomiella macedoisp. n., based on males and females, from the "Parque Nacional da Serra dos Órgãos" (Teresópolis municipality, State of Rio de Janeiro) differs from the other by tibiotarsus III thickened and blunt and two antero-lateral chaetae of labrum strongly thickened. The second species Isotomiella uaisp. n. from "Serra da Gandarela", (Caeté municipality, State of Minas Gerais) differs from the other by presence of short sensilla on antennal IV and tergites, two anterolabral chaetae thickened and falcate mucro.
authors.affiliation: Departamento de Entomologia, Museu Nacional / Universidade Federal do Rio de Janeiro, Quinta da Boa Vista s/n, São Cristóvão, Rio de Janeiro, RJ 20940-040, Brazil.
authors.forename: Maria Cleide
authors.initials: MC
authors.lastname: de Mendonça
authors.forename: Eduardo A
authors.initials: EA
authors.lastname: Abrantes
authors.forename: Ana Carolina R
authors.initials: AC
authors.lastname: Neves