Abstract
Proisotoma ramosi Arlé is redescribed based on specimens collected for the first time at National Park of “Serra dos Órgãos”, Teresópolis, State of Rio de Janeiro. This species is easily identified by a set of characters: color white, 2+2 eyes, PAO long and narrow, labral setae pattern 4/554, external lobe of maxilla with bifurcate palp and 3 sublobal setae, sensillar pattern 53/22335 by half tergite, retinaculum with 4+4 teeth and two setae on corpus, manubrium with two anterior-distal setae, dens with 7 posterior and 11 anterior setae, mucro bidentate. Neotype for P. ramosi is designated.References
Arlé, R. (1959) Collembola Arthropleona do Brasil oriental e central. Arquivos do Museu Nacional, 49, 155–211.
Börner, C. (1901) Zur Kenntnis der Apterygoten-Fauna von Bremen und der Nachbardistrikte. Beitrag zu einer Apterygoten-Fauna Mitteleuropas. Abhandlungen des Naturwissenschaftlichen Vereins zu Bremen, XVII: 1–141.
Deharveng, L. (1984) Un noveau Collembole Isotomidae du Brésil: Proisotoma oliveirae n. sp. Bulletin de la Société d’Histoire Naturelle de Toulouse, 120, 123–126.
Fjellberg, A. (2007) The Collembola of Fennoscandia and Denmark. Part II: Entomobryomorpha and Symphypleona. Fauna Entomologica Scandinavica, 42, 1–264.
Mendonça, C. & Reis, S.F. (1991) Multivariate morphometric analysis of selected Proisotoma species (Collembola: Isotomidae). Zoologischer Anzeiger, 277, 98–103.
Palacios-Vargas, J.G. & Arbea, J.I. (2009) Las especies neotropicales de Proisotoma (Collembola: Isotomidae), con descripción de dos especies nuevas cavernícolas de América. Revista Mexicana de Biodiversidad, 80, 445–453.
Potapov, M. (2001) Isotomidae. In: Dunger, W. (Ed.), Synopses on Paleartic Collembola. Vol. 3., Abdhandlungen und Berichte des Naturkundemuseums Görlitz, 73 (2), 1–603.
Potapov, M., Babenko, A. & Fjellberg, A. (2006) Taxonomy of the Proisotoma complex. Redefinition of genera and description of new species of Scutisotoma and Weberacantha (Collembola, Isotomidae). Zootaxa, 1382, 1–74.
Rapoport, E.H. & Rubio, I.R. (1963) Fauna Colembológica de Chile. Investigaciones zoológicas chilenas, 9, 95–124.