Abstract
BackgroundThis paper presents an updated list of soil ants of the Colombian Amazon collected in three different river basins: the Amazon, the Caquetá and the Putumayo. The list includes 10 subfamilies, 60 genera and 218 species collected from TSBF monoliths at four different depths (Litter, 0 - 10 cm, 10 - 20 cm and 20 - 30 cm). This updated list increases considerably the knowledge of edaphic macrofauna of the region, due to the limited published information about soil ant diversity in the Colombian Amazon region.New informationThis is the first checklist of soil ant diversity of the Colombian Amazon region. Six new records of species for Colombia are exposed: Acropyga tricuspis (LaPolla, 2004), Typhlomyrmex clavicornis (Emery, 1906), Typhlomyrmex meire (Lacau, Villemant & Delabie, 2004), Cyphomyrmex bicornis (Forel, 1895), Megalomyrmex emeryi (Forel, 1904) and Myrmicocrypta spinosa (Weber, 1937), most of them corresponding to subterranean ants.
Highlights
In tropical forests, the abundance and diversity of ants is usually high, which brings out the importance of ants for these ecosystems (Floren and Linsenmair 2005, Floren et al 2002, Dunn et al 2007, Davidson et al 2007, Jaffe et al 2007)
This paper reports a preliminary checklist of soil ants collected in the Colombian Amazon region, with the purpose of contributing to a better understanding of the biogeographical distribution of these insects in the three most important river basins of the Amazon region of Colombia: the Amazon, the Caquetá and the Putumayo
The Caquetá river basin showed the highest number of soil ant species amongst basins (149 species, which corresponded to 68% of the total ants recorded), followed by the Amazon river basin (86 species, 40%) and the Putumayo river basin (71 species, 33%)
Summary
This paper presents an updated list of soil ants of the Colombian Amazon collected in three different river basins: the Amazon, the Caquetá and the Putumayo. The list includes 10 subfamilies, 60 genera and 218 species collected from TSBF monoliths at four different depths (Litter, 0 - 10 cm, 10 - 20 cm and 20 - 30 cm). This updated list increases considerably the knowledge of edaphic macrofauna of the region, due to the limited published information about soil ant diversity in the Colombian Amazon region. This is the first checklist of soil ant diversity of the Colombian Amazon region.
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