Abstract

VERGARA-NAVARRO, Erika Valentina  and  SERNA, Francisco. A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country. Agron. colomb. [online]. 2013, vol.31, n.3, pp.324-342. ISSN 0120-9965.

Antioquia is a state (department) of Colombia, located in the northwestern Andes of South America. Geologically, the northwestern region of the Western Range in Antioquia and Chocó includes the fault resulting from the connection between the Isthmus of Panamá and South America. The Occidental and Central cordilleras in Colombia are characterized by a number of reliefs, valleys and water basins, containing historical biological refuges and endemisms. In this study, we present the first species-level checklist of the 255 species (in 64 genera and 14 subfamilies) of ants currently known in Antioquia. One hundred and fifty-two (152) species had previously been registered for the state in different publications. Here, 103 additional species are recognized. Most of these species are distributed in other bioregions of the country as well. Forty-six percent are present in the Amazon Province and 36% in the Colombian Orinoco River basin. Less than 3% are found in the arid lands of the Colombian Caribbean area, Guyana, and the Colombian Pacific Province, plus the Caribbean islands. Sixty-three percent of the species are shared with Costa Rica. Our checklist constitutes the largest roster of ants at the species level for a state in Colombia to date and constitutes the beginning of the assessment of ant diversity in Antioquia. Many more field trips are necessary to gain a better understanding of the ant composition of this state. The following 13 species are new to the records for Colombia: Azteca diabolica, Camponotus amoris, C. eurynotus, C. pachylepis, C. propinquus, C. tonduzi, Cerapachys toltecus, Cylindromyrmex whymperi, Myrmicocrypta urichi, Pheidole angulifera, Pseudomyrmex lisus, Solenopsis subterranea and Trachymyrmex zeteki

Keywords : taxonomy; composition; biodiversity; biogeography.

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