Abstract
The aim of this paper is to actualize the taxonomy ofDorymyrmex, by addressing problems at both the genus and the species levels. We also explore the taxonomy and distribution ofDorymyrmexin Colombia. We list, diagnose, and key nine species in the country, including three new species:Dorymyrmex amazonicusn. sp. Cuezzo & Guerrero,Dorymyrmex xerophylusn. sp. Cuezzo & Guerrero, andDorymyrmex tuberosusn. sp. Cuezzo & Guerrero. We provide a detailed description of these new species based on the worker caste and, where possible, other castes. All localities whereDorymyrmexwas collected or cited in the literature were mapped to provide a graphical view of its range.
Highlights
Dorymyrmex Mayr [1] is one of the most diverse and complex genera of the ant subfamily Dolichoderinae from a taxonomical and biogeographical point of view
The most recent contribution to solve the taxonomic jungle of Dorymyrmex was Snelling [4], who built on work by Trager [5] to clarify the taxonomy of the Nearctic species
We describe three new species and provide a key to workers of all nine species found in Colombia
Summary
Dorymyrmex Mayr [1] is one of the most diverse and complex genera of the ant subfamily Dolichoderinae from a taxonomical and biogeographical point of view. Dorymyrmex is considered by these authors as a monophyletic member of Leptomyrmecini and sister group of Forelius Emery, 1888 [3]. This genus has a strictly American distribution, inhabiting in the Nearctic and Neotropical regions and containing more than 90 species, several undescribed. Several species are known to attend aphids and other hemipterous insects Such behavior is common in other Dolichoderinae genera and related subfamilies. This is the first contribution of a series of systematic studies about this still poorly known ant genus
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