Hylomyrma dentiloba

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Hylomyrma dentiloba
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Pogonomyrmecini
Genus: Hylomyrma
Species: H. dentiloba
Binomial name
Hylomyrma dentiloba
(Santschi, 1931)

Hylomyrma dentiloba casent0039723 profile 1.jpg

Hylomyrma dentiloba casent0039723 dorsal 1.jpg

Specimen labels


Keys including this Species


Panama, Costa Rica (Osa Peninsula).

Distribution based on Regional Taxon Lists

Neotropical Region: Costa Rica, Panama (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • dentiloba. Lundella dentiloba Santschi, 1931c: 271 (w.) PANAMA.
    • Combination in Hylomyrma: Kempf, 1960f: 430. See also: Kempf, 1964e: 52; Kempf, 1973b: 238.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.

Pierce et al. (2017) - The delimitation of Hylomyrma dentiloba remains unresolved, and for convenience we use a geographic definition of the species. Among the four clusters defined by sequence data, Hylomyrma plumosa is morphologically distinct, but we have found no morphological differences among the remaining three clusters. We use the name H. dentiloba to refer to H. dentiloba -like material from the Osa Peninsula of Costa Rica south through Panama, and Hylomyrma versuta for material from the Atlantic slope of Costa Rica northward. Thus one scenario is that with further investigation of the Panamanian fauna, cryptic species within "H. dentiloba" will be resolved. An alternative scenario is that H. dentiloba and H. versuta together are a single paraphyletic species, with a low level of gene flow, yet having spawned at least one fully differentiated species (H. plumosa) from within the range.



Pierce et al. (2017) - (n = 3): EL 0.194 - 0.233, EW 0.121 - 0.126, GSL 0.152 - 0.295, HFL 0.706 - 0.783, HL 0.778 - 0.855, HW 0.71 - 0.835, ML 0.977 - 1.115, OMD 0.092 - 0.104, PpL 0.227 - 0.251, PpW 0.293 - 0.35, PronW 0.512 - 0.625, SL 0.548 - 0.591, SPL 0.196 - 0.241, CI 91 - 98, GSI 15 - 26, OI 27 - 30, PpWI 129 - 139, SI 71 - 82, SPI 28 - 31.

Type Material

Pierce et al. (2017) - Holotype worker: Panama, France Field, 2 June 1930 (A. Bierig) Naturhistorisches Museum, Basel, CASENT0913528] (AntWeb image examined).


References based on Global Ant Biodiversity Informatics

  • Branstetter M. G. and L. Sáenz. 2012. Las hormigas (Hymenoptera: Formicidae) de Guatemala. Pp. 221-268 in: Cano E. B. and J. C. Schuster. (eds.) 2012. Biodiversidad de Guatemala. Volumen 2. Guatemala: Universidad del Valle de Guatemala, iv + 328 pp
  • Dattilo W. et al. 2019. MEXICO ANTS: incidence and abundance along the Nearctic-Neotropical interface. Ecology https://doi.org/10.1002/ecy.2944
  • Fernandes I., and J. de Souza. 2018. Dataset of long-term monitoring of ground-dwelling ants (Hymenoptera: Formicidae) in the influence areas of a hydroelectric power plant on the Madeira River in the Amazon Basin. Biodiversity Data Journal 6: e24375.
  • Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
  • INBio Collection (via Gbif)
  • Kempf W. W. 1973. A revision of the Neotropical myrmicine ant genus Hylomyrma Forel (Hymenoptera: Formicidae). Studia Entomologica 16: 225-260.
  • Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
  • Levings S. C. 1983. Seasonal, annual, and among-site variation in the ground ant community of a deciduous tropical forest: some causes of patchy species distributions. Ecological Monographs 53(4): 435-455.
  • Longino J. T. 2013. Ants of Nicargua. Consulted on 18 Jan 2013. https://sites.google.com/site/longinollama/reports/ants-of-nicaragua
  • Longino J. T. L., and M. G. Branstetter. 2018. The truncated bell: an enigmatic but pervasive elevational diversity pattern in Middle American ants. Ecography 41: 1-12.
  • Longino J. T., and R. K. Colwell. 2011. Density compensation, species composition, and richness of ants on a neotropical elevational gradient. Ecosphere 2(3): 16pp.
  • Longino J. et al. ADMAC project. Accessed on March 24th 2017 at https://sites.google.com/site/admacsite/
  • Longino, J.T. 2010. Personal Communication. Longino Collection Database
  • Maes, J.-M. and W.P. MacKay. 1993. Catalogo de las hormigas (Hymenoptera: Formicidae) de Nicaragua. Revista Nicaraguense de Entomologia 23.
  • Pierce M. P., M. G. Branstetter, and J. T. Longino. 2017 . Integrative taxonomy reveals multiple cryptic species within Central American Hylomyrma FOREL, 1912 (Hymenoptera: Formicidae). Myrmecological News 25: 131-143.
  • Santschi F. 1931. Fourmis de Cuba et de Panama. Revista de Entomologia (Rio de Janeiro). 1: 265-282.
  • Smith M. A., W. Hallwachs, D. H. Janzen. 2014. Diversity and phylogenetic community structure of ants along a Costa Rican elevational gradient. Ecography 37(8): 720-731.