Digamacris n. gen. (Orthoptera, Acrididae, Melanoplinae) de la region atlantica meridional de Brasil

Digamacris n. gen. (Orthoptera, Acrididae, Melanoplinae) from the Atlantic Meridional region of Brazil

Resumen

Digamacris, a new genus of the Dichroplini (Acrididae, Melanoplinae) is described for the species Pezotettix amoenus Stal, 1878 and Dichroplus fratemus Carl, 1916, both included at present in the genus Dichroplus. These species live in edges and clearings of the Atlantic Forest (Mata Atlantica) of Brazil. D. fratemus is found in the states of Minas Gerais, Espirito Santo and Rio de Janeiro east of the Bay of Guanabara. D. amoenus in the state of Rio de Janeiro W. of the Bay of Guanabara and in the coastal area of the state of São Paulo. The species are illustrated and redescribed. Both have two neatly different chromatic forms of females, while the males are uniform in coloration and closely correspond with one of the female forms.

Acrididae; chromatomorphs; Dichroplini; Digamacris; distribution; Melanoplinae; new combinations; new genus; taxonomy


Acrididae; chromatomorphs; Dichroplini; Digamacris; distribution; Melanoplinae; new combinations; new genus; taxonomy

ABSTRACT

Digamacris n. gen. (Orthoptera, Acrididae, Melanoplinae) de la region atlantica meridional de Brasil

Carlos S. Carbonell1

Museu Nacional, Rio de Janerio, Brasil

Digamacris, a new genus of the Dichroplini (Acrididae, Melanoplinae) is described for the species Pezotettix amoenus Stal, 1878 and Dichroplus fratemus Carl, 1916, both included at present in the genus Dichroplus. These species live in edges and clearings of the Atlantic Forest (Mata Atlantica) of Brazil. D. fratemus is found in the states of Minas Gerais, Espirito Santo and Rio de Janeiro east of the Bay of Guanabara. D. amoenus in the state of Rio de Janeiro W. of the Bay of Guanabara and in the coastal area of the state of São Paulo. The species are illustrated and redescribed. Both have two neatly different chromatic forms of females, while the males are uniform in coloration and closely correspond with one of the female forms.

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Fechas de Publicación

  • Publicación en esta colección
    24 Jun 2009
  • Fecha del número
    1989
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