| description of a new diminutive hyloxalus (anura: dendrobatidae: hyloxalinae) from the magdalena valley of colombia. | using different sources of evidence (i.e., integrative taxonomy), we describe a new species of hyloxalus, hyloxalus arliensis sp. nov. the new species occurs in the middle magdalena river valley on slopes between the cordillera central and cordillera oriental of the andes of colombia. previously, the new species was referred to as hyloxalus "ibagué" but was not formally described. phylogenetic re-analyses of 2440 base pairs (bp) of mitochondrial dna (mtdna), revealed the species to be a sister t ... | 2020 | 32230155 |