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Neotropical Entomology

versão impressa ISSN 1519-566Xversão On-line ISSN 1678-8052

Resumo

DAVID, José A. de O.; ZEFA, Edison  e  FONTANETTI, Carmem S.. Cryptic species of Gryllus in the light of bioacoustic (Orthoptera: Gryllidae). Neotrop. Entomol. [online]. 2003, vol.32, n.1, pp.75-80. ISSN 1678-8052.  https://doi.org/10.1590/S1519-566X2003000100010.

The Gryllus genus represents one the most complex in the Orthoptera systematic, characterized by a set of cosmopolite and cryptic species, many of them already described. This study compared the songs emitted by Gryllus specimens collected on the UNESP campus in Rio Claro (SP) and the pars stridens morphology and morphometry, to use the results to recognize possible cryptic species and contribute to the discussion of speciation processes. Three groups of crickets were discriminated by differences in the pars stridens and calling songs, characterized by different rhythms, frequencies and note composition, that indicated the presence of three species in the location analyzed, that presented few morphological differences. It is suggested from the results that the use of the pars stridens characteristics and the calling song as diagnostic traits is essential in the Gryllus taxonomy.

Palavras-chave : Insecta; bioacoustic; pars stridens.

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