The Karyotype of the parasitoid Chelonus insularis cresson (Hymenoptera, braconidae, cheloninae).
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The Karyotype of chelonus insularis (Hymenoptera, Braconidae Cheloninae) is described. The males show an haploid number of seven chromosomes and the females a diploid number of fourteen chromosomes, confirming haplo-diploid sex determination. Comparisons of these results with karyotypes of other species of the same family were done and a possible mechanism involved in the karyotype evolution of this species is discussed.
Palabras clave
Determinacao, Cromossomo, Cytogenetic, Sex, Determination, Chromosome, Citogenética, Sexo