Acanthognathus

Acanthognathus is a genus of ants that are found in tropical Central and South America.[2] There are 7 living species and 1 extinct species, Acanthognathus poinari, known only from fossil records.[3]

Acanthognathus
Acanthognathus teledectus worker
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Hymenoptera
Family:
Formicidae
Subfamily:
Myrmicinae
Tribe:
Attini
Genus:
Acanthognathus

Mayr, 1887[1]
Type species
Acanthognathus ocellatus
Mayr, 1887

Description

They are reddish in colour and have long trap-jaws that can be compared to those of Odontomachus. These predatory ants live in small colonies that typically consist of less than 30 adults.[2]

Taxonomy

The genus was established by Mayr (1887) to house the species A. ocellatus, described from a single worker found in Brazil.[4]

Mistakenly, the name Acanthognathus was re-used by German ichthyologist G. Duncker in 1912 for a genus of syngnathid fish,[5] but that is invalid as it is a junior homonym.[6] These are now placed in either Dunckerocampus or Doryrhamphus, as the former sometimes is considered a subgenus of the latter.[7][8] To further confuse, a genus of nemesiid spiders, Acanthogonatus, is frequently misspelled Acanthognathus.

List of species
Scientific name[3] Authority Picture
Acanthognathus brevicornis M. R. Smith, 1944
Acanthognathus laevigatus Galvis & Fernández, 2009[4]
Acanthognathus lentus Mann, 1922
Acanthognathus ocellatus Mayr, 1887
†Acanthognathus poinari Baroni Urbani & De Andrade, 1994[9]
Acanthognathus rudis Brown & Kempf, 1969
Acanthognathus stipulosus Brown & Kempf, 1969
Acanthognathus teledectus Brown & Kempf, 1969

References
  1. Mayr, G. (1887). Südamerikanische Formiciden. Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien 37: 511-632.
  2. Brown, W. L., Jr., & W. W. Kempf (1969). A Revision of the Neotropical Dacetine Ant Genus Acanthognathus (Hymenoptera: Formicidae. Psyche 76(2): 87-109.
  3. Bolton, B. (2014). "Acanthognathus". AntCat. Retrieved 20 July 2014.
  4. Galvis, J. P.; Fernández, F. (2009). "Ants of Colombia X. Acanthognathus with the description of a new species (Hymenoptera: Formicidae)". Revista Colombiana de Entomología. 35: 245–249.
  5. Duncker, G. (1912). Die Gattungen der Syngnathidae. Mitteilungen Naturhist. Museum Hamburg 29: 219-240.
  6. Ride, W.D.L, H.G. Cogger, C. Dupuis, O. Kraus, A. Minelli, F. C. Thompson & P.K. Tubbs, eds. (1999). International Code of Zoological Nomenclature. 4th edition. International Trust for Zoological Nomenclature. ISBN 0-85301-006-4
  7. Whitley, G. P. (1933). Studies in ichthyology. No. 7. Records of the Australian Museum v. 19 (1): 60-112, Pls. 11-15.
  8. Dawson, C. E. (1985). Indo-Pacific pipefishes (Red Sea to the Americas). Gulf Coast Research Lab., Ocean Springs, Mississippi. Indo-Pacific pipefishes (Red Sea to the Americas). i-vi + 1-230.
  9. Baroni Urbani, C., & De Andrade, M. L. (1994). First description of fossil Dacetini ants with a critical analysis of the current classification of the tribe (Amber Collection Stuttgart: Hymenoptera, Formicidae. VI: Dacetini). Stuttg. Beitr. Naturkd. Ser. B ((page 12-15, Strumigenys senior synonym of Quadristruma).


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