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Paratrechina longicornis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Plagiolepidini
Genus: Paratrechina
Motschoulsky, 1863
Type species
Paratrechina currens (junior synonym of Paratrechina longicornis)
6 species

Paratrechina longicornis casent0063128 profile 1.jpg

Paratrechina longicornis

Paratrechina longicornis casent0063128 dorsal 1.jpg

Specimen Label

This is a monotypic genus. The single species (Paratrechina longicornis) is invasive has been spread throughout the tropics and subtropics.


Mandible with 5 teeth; maxillary palps 6-segmented; labial palps 4-segmented; erect setae on dorsum of head randomly placed; scapes lacking erect hairs; abundant erect setae on legs and dorsum of mesosoma. Eyes well developed and convex, surpassing outline of head in full frontal view, placed midlength and laterally on head. Dorsal mesosomal setae arranged loosely in pairs; propodeum lacking erect setae; propodeum with a low-domed dorsal face; overall mesosoma shape long and slender. (LaPolla et al. 2010)

Key to Prenolepis Group Genera


The single species in the genus Paratrechina longicornis has been spread by humans and obtained a pantropical distribution. It is also found in temperate climates, largely through establishing itself in buildings and other artificial environments such as greenhouses. (Wetterer et al., 1999, Wetterer 2008).

Distribution and Richness based on AntMaps

Note that the single known species of this genus has been widely distributed through human activity and its native range is uncertain. Because of this the genus is shown as "Present as exotic" everywhere it occurs. It is likely that Paratrechina arose in South-east Asia but this has yet to be confirmed (Wetterer, 2008).

Check distribution from AntMaps.

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Check specimen data from AntWeb





The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • PARATRECHINA [Formicinae: Plagiolepidini]
    • Paratrechina Motschoulsky, 1863: 13. Type-species: Paratrechina currens (junior synonym of Formica longicornis), by subsequent designation of Wheeler, W.M. 1911f: 170.
    • Paratrechina junior synonym of Prenolepis: Dalla Torre, 1893: 177; Wheeler, W.M. 1922a: 940.
    • Paratrechina revived from synonymy: Emery, 1925b: 216.


The following references are based on the 2007 CD version of the New General Catalogue.

  • Agosti, D. 1991. Revision of the oriental ant genus Cladomyrma, with an outline of the higher classification of the Formicinae (Hymenoptera: Formicidae). Syst. Entomol. 16: 293-310 (page 296, Paratrechina in Formicinae, Pseudolasius genus group)
  • Agosti, D.; Bolton, B. 1990a. The identity of Andragnathus, a forgotten formicine ant genus (Hym., Formicidae). Entomol. Mon. Mag. 126: 75-77 (page 75, Paratrechina senior synonym of Andragnathus)
  • Bernard, F. 1953b [1952]. La réserve naturelle intégrale du Mt Nimba. XI. Hyménoptères Formicidae. Mém. Inst. Fr. Afr. Noire 19: 165-270 (page 257, Paratrechina in Formicinae, Lasiini)
  • Bolton, B. 1994. Identification guide to the ant genera of the world. Cambridge, Mass.: Harvard University Press, 222 pp. (page 50, Paratrechina in Formicinae, Lasiini)
  • Bolton, B. 2003. Synopsis and Classification of Formicidae. Mem. Am. Entomol. Inst. 71: 370pp (page 23, 104, Paratrechina in Formicinae, Plagiolepidini)
  • Chapman, J. W.; Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monogr. Inst. Sci. Technol. Manila 1: 1-327 (page 218, Paratrechina in Formicinae, Prenolepidini)
  • Dalla Torre, K. W. von. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. (page 177, Paratrechina junior synonym of Prenolepis)
  • Dlussky, G. M.; Fedoseeva, E. B. 1988. Origin and early stages of evolution in ants. Pp. 70-144 in: Ponomarenko, A. G. (ed.) Cretaceous biocenotic crisis and insect evolution. Moskva: Nauka, 232 pp. (page 77, Paratrechina in Formicinae, Lasiini)
  • Donisthorpe, H. 1943g. A list of the type-species of the genera and subgenera of the Formicidae. [part]. Ann. Mag. Nat. Hist. 11(10): 617-688 (page 682, Paratrechina in Formicinae, Acanthomyopsini)
  • Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183: 1-302 (page 216, Paratrechina in Formicinae, Lasiini; Paratrechina as genus)
  • Hölldobler, B.; Wilson, E. O. 1990. The ants. Cambridge, Mass.: Harvard University Press, xii + 732 pp. (page 18, Paratrechina in Formicinae, Prenolepidini (anachronism))
  • Jaffe, K. 1993. El mundo de las hormigas. Baruta, Venezuela: Equinoccio (Ediciones de la Universidad Simón Bolívar), 188 pp. (page 14, Paratrechina in Formicinae, Lasiini)
  • Kempf, W. W. 1972b. Catálogo abreviado das formigas da regia~o Neotropical. Stud. Entomol. 15: 3-344 (page 182, Paratrechina in Formicinae, Lasiini)
  • Motschoulsky, V. de. 1863. Essai d'un catalogue des insectes de l'île Ceylan (suite). Bull. Soc. Imp. Nat. Mosc. 36(3 3: 1-153 (page 13, Paratrechina as genus)
  • Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V., Hurd, P. D., Smith, D. R., Burks, B. D. (eds.) Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Press, pp. i-xvi, 1199-2209. (page 1442, Paratrechina in Formicinae, Lasiini)
  • Stitz, H. 1939. Die Tierwelt Deutschlands und der angrenzenden Meersteile nach ihren Merkmalen und nach ihrer Lebensweise. 37. Theil. Hautflüger oder Hymenoptera. I: Ameisen oder Formicidae. Jena: G. Fischer, 428 pp. (page 379, Paratrechina in Formicinae, Lasiini)
  • Trager, J. C. 1984b. A revision of the genus Paratrechina (Hymenoptera: Formicidae) of the continental United States. Sociobiology 9: 49-162 (page 58, Paratrechina senior synonym of Nylanderia and Paraparatrechina, and revision of North American species)
  • Wheeler, G. C.; Wheeler, J. 1970b. Ant larvae of the subfamily Formicinae: second supplement. Ann. Entomol. Soc. Am. 63: 648-656 (page 652, Paratrechina in Formicinae, Myrmelachistinini)
  • Wheeler, G. C.; Wheeler, J. 1976b. Ant larvae: review and synthesis. Mem. Entomol. Soc. Wash. 7: 1-108 (page 101, Paratrechina in Formicinae, Myrmelachistinini)
  • Wheeler, G. C.; Wheeler, J. 1985b. A simplified conspectus of the Formicidae. Trans. Am. Entomol. Soc. 111: 255-264 (page 258, Paratrechina in Formicinae, Brachymyrmecini)
  • Wheeler, W. M. 1911g. A list of the type species of the genera and subgenera of Formicidae. Ann. N. Y. Acad. Sci. 21: 157-175 (page 170, Type-species: Paratrechina currens (junior synonym of Paratrechina longicornis), by subsequent designation)
  • Wheeler, W. M. 1922j. Ants of the American Museum Congo expedition. A contribution to the myrmecology of Africa. VIII. A synonymic list of the ants of the Ethiopian region. Bull. Am. Mus. Nat. Hist. 45: 711-1004 (page 940, Paratrechina junior synonym of Prenolepis)

Additional References

  • LaPolla, J. S., S. G. Brady, and S. O. Shattuck. 2010. Phylogeny and taxonomy of the Prenolepis genus-group of ants (Hymenoptera: Formicidae). Systematic Entomology. 35:118-1
  • Wetterer, J.K. 2008. Worldwide spread of the longhorn crazy ant, Paratrechina longicornis (Hymenoptera: Formicidae). Myrmecoloigcal News 11, 137-149.
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