Aim.The existence of past connections between different regions through corridors has influenced the diversification of the biota in South America. Evidence of such connections in southern South America is scarce and poorly understood. As a model to …
Leaf-cutting ants are considered the most important herbivores in terrestrial environments throughout the Neotropics. *Amoimyrmex* Cristiano, Cardoso, & Sandoval, 2020 is the sister clade of the remaining leaf-cutting ants from the genera *Atta* and …
Ants, an ecologically successful and numerically dominant group of animals, play key ecological roles as soil engineers, predators, nutrient recyclers, and regulators of plant growth and reproduction in most terrestrial ecosystems. Further, ants are …
The genus _Mycetarotes_ is a fungus-growing ant (Formicidae: Myrmicinae: Attini) mostly recorded south of the Amazon: in southeastern Brazil, Paraguay, and northern Argentina. Here we report the first record of this genus in Colombia: _M. parallelus_ …
Oil palm agriculture is rapidly expanding in the Neotropics, at the expense of a range of natural and seminatural habitats. A key question is how this expansion should be managed to reduce negative impacts on biodiversity. Focusing on the Llanos of …