A new species of Endecous Saussure, 1878 (Orthoptera, Gryllidae) from northeast Brazil with the first X1X20 chromosomal sex system in Gryllidae.

Edison Zefa,Darlan Rutz Redü,Maria Kátia Matiotti Da Costa,Carmem S Fontanetti,Marco Silva Gottschalk,Giovanna Boff Padilha,Anelise Fernandes e Silva,Luciano De P Martins

Zootaxa（2014）

Cited 23|Views5

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Abstract

In this paper we describe a new species of Luzarinae cricket collected from the cave "Gruta de Ubajara, municipality of Ubajara, State of Ceará, Brazil, highlighting phallic sclerites morphology and chromosome complement as diagnostic characters. We presented meiotic and mitotic characterization in order to define the karyotype with 2n = 12 + X1X2♂/12 + X1X1X2X2♀. This represents the first record of X1X20 chromosomal sex system in Gryllidae.

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