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Pseudomyrmex acanthobius casent0173746 profile 1.jpg
Pseudomyrmex acanthobius
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Pseudomyrmecinae
Tribe: Pseudomyrmecini
Genus: Pseudomyrmex
Lund, 1831
Type species
Formica gracilis[1]
Fabricius, 1804
146 species

Pseudomyrmex is a genus of stinging, wasp-like ants in the subfamily Pseudomyrmecinae. They are large-eyed, slender ants occupying arboreal habitats, and occur exclusively in tropical and subtropical regions of the New World. Most species of Pseudomyrmex are generalist twig nesters, for instance, Pseudomyrmex pallidus may nest in the hollow stems of dead grasses, twigs of herbaceous plants, and in dead, woody twigs.[3] However, the genus is best known for several species that are obligate mutualists with certain species of Acacia.[4] Other species have evolved obligate mutualism with other trees; for example Pseudomyrmex triplarinus is obligately dependent on any of a few trees in the genus Triplaris.[5][6]



  1. ^ "Genus: Pseudomyrmex". AntWeb. Retrieved 11 October 2013. 
  2. ^ Bolton, B. (2014). "Pseudomyrmex". AntCat. Retrieved 3 July 2014. 
  3. ^ Phillip S. Ward (1985). "The Neartic species of the genus Pseudomyrmex (Hymenoptera: Formicidae)". Quaestiones Entomologicae 21: 209–246. 
  4. ^ Gómez-Acevedo, Sandra; Rico-Arce, Lourdes; Delgado-Salinas, Alfonso; Magallón, Susana; Eguiarte, Luis E. Neotropical mutualism between Acacia and Pseudomyrmex: Phylogeny and divergence times. Molecular Phylogenetics and Evolution 56 (2010) 393–408
  5. ^ Larrea-Alcázar, D. M. and J. A. Simonetti. (2007). Why are there few seedlings beneath the myrmecophyte Triplaris americana?. Acta Oecologica 32(1) 112-18.
  6. ^ Ward, Philip S. (1 August 1999). "Systematics, biogeography and host plant associations of the Pseudomyrmex viduus group (Hymenoptera: Formicidae), Triplaris- and Tachigali-inhabiting ants". Zoological Journal of the Linnean Society 126 (4): 451–540. doi:10.1006/zjls.1998.0158. 

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