New species and new occurrences of Collembola Poduromorpha in the littoral of Maricá, state of Rio de Janeiro are recorded. From the 20 species collected, four are described and illustrated: Mesaphorura maricaensis sp. nov. (Onychiuridae); Brachystomella ceciliae sp. nov. (Brachystomellidae); Arlesia intermedia sp. nov. and Micranurida fluminensis sp. nov. (Neanuridae). The genus Doutnacia Rusek, 1974 and Micranurida Börner, 1901 and the species Xenylla maritima Tullberg, 1869, Acherontiella globulata Thibaud & Massoud, 1979, Onychiurus cf. mariapetrae Thibaud, 1993, Friesea reducta Denis, 1931, Pseudachorutes difficilis Denis, 1931 are recorded for the first time to Brazil. The high number of species and the record of the 16 new occurrences in this area shows the scarcity of the taxonomic studies and the elevated biodiversity of the Poduromorpha at sand dunes.
Brachystomellidae; Hypogastruridae; Neanuridae; Onychiuridae; Tullbergiidae
