No abstract

Nymphs of Macrogynoplax delicata Ribeiro-Ferreira & Froehlich, 1999, M. pulchra Ribeiro-Ferreira & Froehlich, 1999, and E. froehlichi Ribeiro-Ferreira, 1996 were associated with adults by rearing and described for the first time. The known distribution of each species has been increased.

Three known species of Macrogynoplax Enderlein from Amazonas, Brazil are redescribed: M. delicata Ribeiro-Ferreira & Froehlich, from neotype, present designation; M. poranga Ribeiro-Ferreira & Froehlich, from neotype, present designation; M. pulchra Ribeiro-Ferreira & Froehlich from holotype and M. anae new species is described. A key to males is presented. M. marauia Froehlich is considered a junior synonym of M. delicata.

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Nymphs of three species of the genus Anacroneuria Klapálek, 1909, A. marlieri Froehlich, 2001; A. minuta Klapálek, 1922, and A. manauensis Ribeiro-Ferreira, 2001 are described. The associations of nymphs with adults were made by rearing. The known geographical distribution in Brazil of these three species was expanded.