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Joruma abernardesi sp.nov. and Joruma phrolfsi sp.nov. (Typhlocybinae: Jorumini) are described based on specimens from Mata do Paraíso, an Atlantic Forest reserve located at Viçosa municipality. This is the first record of the genus Joruma McAtee in Minas Gerais State, southeastern Brazil.

Two new species of Thraulodes Ulmer, 1920 are described from Rio de Janeiro and São Paulo, Southeastern Brazil, based on male and female imagos. Thraulodes luisae sp. nov. differs from all other species of the genus by the short and wide penes spines, turning up to apex; triangular shape of styliger plate with median projection abrupt and short with rounded apex; abdominal and legs color pattern; and presence of 2-3 weakly marked cross veins basal to bullae. Thraulodes pinga sp. nov. differs from all other species of the genus by the wide shape of styliger plate with median projection short with wide base and truncated apex; abdominal and legs color pattern; and presence of 1 weakly marked cross vein basal to bullae.

Balera fiuzai sp. nov. is described based on male specimens obtained from light trap collections at Mata do Paraíso, Municipality of Viçosa, Minas Gerais State, Brazil. An identification key to the species of Balera is given. Additionally, Habralebra gillettei Young is redescribed from the same locality. These specimens of H. gillettei differ somewhat from previously described specimens, but are considered intra-specific variations. Both genera, Balera Young and Habralebra Young, are recorded from Minas Gerais State for the first time.

The South American genus Massartella Lestage, 1930 is composed of five species. Massartella alegrettae Ulmer, 1943 is the only species with the nymph unknown. In this paper, we describe the nymph of M. alegrettae based on specimens from the state of São Paulo, Brazil. This is the first record of the species from southeastern Brazil. The nymph can be easily recognized by the gills present on segments I-V, with dark gray membrane and without apical processes.

A new species of Thraulodes Ulmer, 1920 is described from Rio de Janeiro. The species resembles the recently published Thraulodespelicanus Mariano and Froehlich, 2011 (in Mariano et al. 2011) due to the length and width of the penes. However, Thraulodes bonito sp. nov. differs from this and all other species of the genus by the wide penes, the triangular shape of the styliger plate with median projection short and apex rounded, the abdominal color pattern and the presence of 1-3 weakly marked cross veins basal to bullae. The new species is described based on male imagos, female subimagos and nymphs.