Cytogenetic analysis of Pseudoponera stigma and Pseudoponera gilberti (Hymenoptera: Formicidae: Ponerinae): a taxonomic approach

Authors

  • João Paulo Sales Oliveira Correia Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, 45662-900 Ilhéus, Bahia, Brazil
  • Cléa dos Santos Ferreira Mariano Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, 45662-900 Ilhéus, Bahia, Brazil
  • Jacques Hubert Charles Delabie Laboratório de Mirmecologia, CEPEC/CEPLAC, Caixa Postal 7, 45600-970 Itabuna, Bahia, Brazil Departamento de Ciências Agrárias e Ambientais, Universidade Estadual de Santa Cruz, 45662-900 Ilhéus, Bahia, Brazil
  • Sebastien Lacau Laboratório de Biossistemática Animal, Universidade Estadual do Sudoeste da Bahia, Itapetinga 45700-000, Bahia, Brazil
  • Marco Antonio Costa Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, 45662-900 Ilhéus, Bahia, Brazil

Keywords:

ant, cytotaxonomy, karyotype, CMA3/DAPI

Abstract

Pseudoponera stigma (F.) and Pseudoponera gilberti (Kempf) (Hymenoptera: Formicidae) are closely related Neotropical ants, often misidentified due to their morphological similarities. These species also share behavioral and ecological characters. In this study, we examined cytogenetic approaches as a tool to aid identification of P. stigma and P. gilberti. Both numerical and morphological karyotypic variations were identified based on different cytogenetic techniques. The karyotype formula of P. stigma, 2K = 10M + 4SM differs from that of P. gilberti, 2K = 10M + 2SM, and the CMA3+/DAPI− sites also differ, allowing both species to be distinguished by chromosomal characters.

 

Resumen

Pseudoponera stigma (F.) y Pseudoponera gilberti (Kempf) (Hymenoptera: Formicidae) son hormigas neotropicales muy estrechamente relacionadas que a menudo son mal clasificadas debido a sus similitudes morfológicas. Estas especies también comparten caracteres de comportamiento y ecológicas. En este estudio, la citogenética fue utilizado como una herramienta para la caracterización y delimitación taxonómica de P. stigma y P. gilberti. Se describen variaciones cariotípicas numéricos y morfológicas en base a diferentes técnicas de citogenética. La fórmula cariotipo de P. stigma, 2K = 10M + 4SM difiere de la de P. gilberti, 2K = 10M + 2SM, así como las localizaciones de los sitios CMA3 +/DAPI−, lo que permite distinguir las especies tanto por caracteres cromosómicas.

 

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Author Biographies

João Paulo Sales Oliveira Correia, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, 45662-900 Ilhéus, Bahia, Brazil

Departamento de Ciências Biológicas

Cléa dos Santos Ferreira Mariano, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, 45662-900 Ilhéus, Bahia, Brazil

Departamento de Ciências Biológicas

Jacques Hubert Charles Delabie, Laboratório de Mirmecologia, CEPEC/CEPLAC, Caixa Postal 7, 45600-970 Itabuna, Bahia, Brazil Departamento de Ciências Agrárias e Ambientais, Universidade Estadual de Santa Cruz, 45662-900 Ilhéus, Bahia, Brazil

Departamento de Ciências Agrárias e Ambientais

Sebastien Lacau, Laboratório de Biossistemática Animal, Universidade Estadual do Sudoeste da Bahia, Itapetinga 45700-000, Bahia, Brazil

Laboratório de Biossistemática Animal

Marco Antonio Costa, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, 45662-900 Ilhéus, Bahia, Brazil

Departamento de Ciências Biológicas

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Published

2016-12-31

Issue

Vol. 99, No. 4 (December 2016)

Section

Research Papers

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