Edison Zefa

Publications50
h-index7
Citations119
Highly Influential Citations16
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Cryptic species of Gryllus in the light of bioacoustic (Orthoptera: Gryllidae)
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… Expand
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Chromosome analysis of two species of sugar cane pests of the genus Mahanarva (Homoptera, Cercopidae)
Abstract Studies on the cytogenetics of Homoptera are scarce. Some references in the literature have reported a chromosome number for the genus ranging from n=5 to 19 and 2n=10 to 2n=39 chromosomes.… Expand
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Morphological characterization and comparative analysis of the proventriculus from three species of Endecous Saussure, 1878 (Orthoptera: Gryllidae: Phalangopsinae)
espanolLa diversidad en la morfologia del tracto digestivo de los insectos condujo a varios autores a utilizarlo como caracter adicional en estudios de sistematica y filogenia. El proventriculo, cuya… Expand
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Cytotaxonomy of the crickets Endecous Saussure, 1878 with an overview of the chromosomes of Phalangopsinae Group (Orthoptera: Phalangopsinae)
The karyotypes of five species of crickets Phalangopsinae were studied: E. onthophagus shows 2n = 19, X0♂, pairs 1, 7 and 8 metacentric, 2, 3, 6 and 9 submetacentric, 4 and 5 acrocentric; E.… Expand
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Autosomal rearrangement in Gryllus assimilis Fabricius, 1775 (Orthoptera, Gryllidae)
Gryllus assimilis L. has a karyotype of 2n = 29 (X0, male) and 30 (XX, female). The above karyotype was encountered along with another in which 2n = 28 (X0, male) and 2n = 29 (XX, female) in a… Expand
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Cytogenetics of six Brazilian species of Psocoptera
The karyotypes of the following six species of Brazilian Psocoptera are reported: Caecillius sp. (Caecillidae), Triplocania ? caudata New (Ptiloneuridae), Brachinodiscus cf. lepidus (Banks)… Expand
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New Brazilian species of Endecous Saussure, 1878: Phallic sclerites, calling song and tegmen morphometry (Orthoptera: Grylloidea: Phalangopsinae)
In this paper we describe the phalangopsid cricket Endecous alejomesai n. sp. collected from the cave “Lapa do Fuzil”, Vila Propício, State of Goiás, Brazil. Diagnosis has been acquired by the… Expand
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Comparison of calling songs in three allopatric populations of Endecous itatibensis (Orthoptera, Phalangopsinae)
Three isolated populations of the cricket Endecous itatibensis Rehn, 1918 had been analyzed to test the hypothesis of divergence in the calling song estridulation and to discuss its implications in… Expand
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Morphological characterization of the proventriculus of Gryllus assimilis Fabricius (Orthoptera, Gryllidae).
The proventriculus morphology of the cricket Gryllus assimilis Fabricius, 1775 is described using scanning electron microscopy and the correlation of this structure with the feeding habits briefly… Expand
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Figures 3 – 11. Endecous Ubajarensis N In A New Species Of Endecous Saussure, 1878 (Orthoptera, Gryllidae) From Northeast Brazil With The First X X 0 Chromosomal Sex System In Gryllidae
FIGURES 3 – 11. Endecous ubajarensis n. sp. holotype morphology. 3 – 5 — habitus in lateral, dorsal, and ventral views, respectively; 6 — head, frontal view; 7 — supranal-plate; 8 — subgenital plate;… Expand
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