[1] Inst Nacl de Pesquisas da Amazonia, Lab Sistemat & Ecol Invertebrados Solo, CPEN, Ave Andre Araujo 2936,Cx Postal 478, BR-69011970 Manaus, Amazonas, Brazil
[2] Ria Solia 3,Ch 39, El Astillero 39610, Cantabria, Spain
[3] Univ Navarra, Dept Environm Biol, Navarra 31008, Spain
[4] Univ Fed Rio Grande do Norte UFRN, Ctr Biociencias, Dept Bot & Zool, Lab Collembola, BR 101,Campus Univ, BR-59072970 Natal, RN, Brazil