Paratrechina longicornis

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Paratrechina longicornis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Lasiini
Genus: Paratrechina
Species: P. longicornis
Binomial name
Paratrechina longicornis
(Latreille, 1802)

Paratrechina longicornis casent0063128 profile 1.jpg

Paratrechina longicornis casent0063128 dorsal 1.jpg

Specimen Label

Synonyms
Common Name
Crazy ant
Higenaga-ameiro-ari
Language: Japanese

This ant has been transported to almost all the populated subtropical and tropical areas in the world. It is usually in disturbed areas but can invade undisturbed areas as well. It is a general scavenger and also tends honeydew-producing Homoptera. Nests are in accumulations of dry litter or mulch or under objects on the ground.

Paratrechina longicornis (A. Narendra).JPG

At a Glance • Polygynous  

 

Identification

Keys including this Species

Distribution

A common tramp ant that has been spread to most of the world's subtropical and tropical areas with substantial human populations.

Distribution based on Regional Taxon Lists

Afrotropical Region: Cameroun, Chad, Comoros, Democratic Republic of Congo, Eritrea, Gambia, Guinea, Kenya, Malawi, Mali, Mauritania, Mozambique, Saint Helena, Senegal (type locality), Socotra Archipelago, Uganda, United Arab Emirates, United Republic of Tanzania, Yemen.
Australasian Region: Australia, New Caledonia, Norfolk Island.
Indo-Australian Region: Borneo, Cook Islands, Fiji, Guam, Hawaii, Indonesia, Kiribati, Krakatau Islands, Malaysia, Marshall Islands, Micronesia (Federated States of), New Guinea, Niue, Northern Mariana Islands, Palau, Philippines, Samoa, Singapore, Solomon Islands, Timor-Leste, Tokelau, Tonga, Tuvalu, Vanuatu.
Malagasy Region: Madagascar, Mauritius, Mayotte, Réunion, Seychelles.
Nearctic Region: United States.
Neotropical Region: Anguilla, Aruba, Bahamas, Barbados, Belize, Bermuda, Brazil, Cayman Islands, Chile, Colombia, Costa Rica, Dominican Republic, Ecuador, French Guiana, Galapagos Islands, Greater Antilles, Grenada, Guadeloupe, Guatemala, Guyana, Haiti, Honduras, Lesser Antilles, Mexico, Netherlands Antilles, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, Saint Kitts and Nevis, Saint Lucia, Trinidad and Tobago, Turks and Caicos Islands, Venezuela.
Oriental Region: Bangladesh, Cambodia, India, Laos, Maldives, Nepal, Nicobar Island, Pakistan, Sri Lanka, Thailand, Vietnam.
Palaearctic Region: Bahrain, Balearic Islands, Belgium, Canary Islands, China, Estonia, France, Iberian Peninsula, Iran, Israel, Japan, Libya, Malta, Oman, Spain, United Kingdom of Great Britain and Northern Ireland.


Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

San Cristóbal, República Dominicana. Video by Judá Isaí Martínez Uribe.

Sharaf et al. (2017) report on this species in Yemen: The known habitats of this species are diverse, no doubt enabling its wide distribution. We observed Paratrechina longicornis nesting in moist soil under a rock adjacent to a date palm tree. Another nest was collected from dry soil under shrub Frangula alnus Mill. (Rhamnaceae). Many workers were found in leaf litter under a date palm tree where the soil was moist and rich in accumulated sheep and goat faeces. Several workers were foraging in leaf litter on dry soil under an Eragrostis tef (Zucc.) Trotter (Poaceae) tree, where the soil was dry. A nest was observed under a rock in moist, compacted, clay soil. Hundreds of workers were foraging in moist leaf litter and on twigs of a small shrub. Several workers were nesting under a stone in humid soil and next to banana plantations. A nest was found under a rock next to a dragon blood tree, Dracaena cinnabari Balf.f. (Asparagaceae). This species has been reported as a pest in greenhouses in both temperate and tropical regions (Nylander 1856; Motschoulsky 1863).

Bertelsmeier et al. (2015) examined elements of interspecific aggression between this species and several other highly invasive ants. In laboratory assays Paratrechina longicornis was adept at avoiding aggressive interactions. When confronted by workers of other invasive ant species P. longicornis either acted indifferently or moved away.

Florida (USA) - Introduced into Florida and found as far north and west as Leon County, but much commoner in south Florida. Pest status: a minor nuisance in outdoor eating areas, and frequently enters buildings where there is easy access to the outside. First published Florida record: Smith 1930. (Deyrup, Davis & Cover, 2000.)

Foraging

McCreery et al. (2019) tested movement initiation and obstacle navigation in group foraging. Baits of various sizes were used, with testing conducted in the field in Tempe, Arizona. They found P. longicornis excel at cooperative transport despite wide load variation. The effects of load properties vary across transport challenges, and groups struggling to move large loads may find obstacle navigation easier once a load has begun to be moved.

Nesting Habits

Jaffe (1993) reported that at low tide on the beaches of Mumbai, India, hundreds of meters of new coast are exposed, filled with marine debris and human detritus. In this area, some 100 m from the high tide line, he found colonies of Paratrechina longicornis nesting in the sand and foraging on the debris around their nest up to 25 m away. Nest density was very high (estimated in over 1 nest/ m2), although as colonies are known to be polydomic and all nests likely formed a single colony. These ants have to hide in their nests at high tide, which probably are protected from flooding thanks to trapped air in their galleries.

Chemical Ecology

LeBrun et al. (2015) found a behaviour, first noted and resulting from interactions between Solenopsis invicta and Nylanderia fulva, that detoxifies fire ant venom is expressed widely across ants in the subfamily Formicinae. This behavior was also studied and shown in experiments with P. longicornis. See the biology section of the N. fulva page for a description of acidopore grooming and the use of formic acid for detoxification of a specific class of venoms that are produced by ants that may interact with formicines in the context of predation and food competition.

Flight Period

X X
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Association with Other Organisms

  • This species is a host for the cricket Myrmecophilus americanus (a myrmecophile).
  • This species is a prey for the tiger beetle Cicindela duponti (a predator) in Western Ghats, India (Sinu et al., 2006).

Life History Traits

  • Queen number: polygynous (Holldobler & Wilson, 1977; Frumhoff & Ward, 1992)

Castes

Worker

  • MCZ ENT Paratrechina longicornis hef.jpg
  • MCZ ENT Paratrechina longicornis 2hef.jpg
  • MCZ ENT Paratrechina longicornis 1hal.jpg
  • MCZ ENT Paratrechina longicornis had.jpg
  • MCZ ENT Paratrechina longicornis lbs.jpg

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Queen

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  • Paratrechina longicornis casent0137340 profile 2.jpg

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  • Paratrechina longicornis casent0173230 profile 2.jpg

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Male

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  • Paratrechina longicornis casent0173231 profile 2.jpg

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  • Paratrechina longicornis casent0137341 profile 2.jpg
  • Paratrechina longicornis casent0137341 profile 3.jpg

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Additional images can be found here.

Nomenclature

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

  • longicornis. Formica longicornis Latreille, 1802c: 113 (w.) SENEGAL. Jerdon, 1851: 124 (q.); André, 1881b: 60 (m.); Hung, Imai & Kubota, 1972: 1024 (k.); Wheeler, G.C. & Wheeler, J. 1986d: 336 (l.); Fox, et al. 2007: 3 (l.). Combination in Prenolepis: Roger, 1863b: 10; in Pr. (Nylanderia): Emery, 1910a: 129; in Paratrechina: Wheeler, W.M. 1921e: 112. Senior synonym of currens: Emery, 1892b: 166; of gracilescens: Roger, 1863b: 10; of vagans: Dalla Torre, 1893: 179. Senior synonym of hagemanni: LaPolla, Brady & Shattuck, 2010a: 128. See also: Mayr, 1865: 50; Forel, 1891b: 81; Forel, 1894c: 406; Emery, 1910a: 129; Trager, 1984b: 153.
  • vagans. Formica vagans Jerdon, 1851: 124 (w.q.) INDIA. [Unresolved junior primary homonym of Formica vagans Olivier, 1792: 501.] Junior synonym of longicornis: Dalla Torre, 1893: 179; Forel, 1894c: 408.
  • gracilescens. Formica gracilescens Nylander, 1856a: xxviii (w.) FRANCE. [Also described as new by Nylander, 1856b: 73.] Junior synonym of longicornis: Roger, 1863b: 10.
  • currens. Paratrechina currens Motschoulsky, 1863: 14 (w.) SRI LANKA. Junior synonym of longicornis: Emery, 1892b: 166. Neotype designated: LaPolla, Brady & Shattuck, 2010b: 1.
  • hagemanni. Prenolepis longicornis var. hagemanni Forel, 1901h: 65 (w.) DEMOCRATIC REPUBLIC OF CONGO. Combination in Paratrechina: Emery, 1925b: 217. Junior synonym of longicornis: Wheeler, W.M. 1922a: 942. Revived from synonymy: Emery, 1925b: 217. Junior synonym of longicornis: LaPolla, Brady & Shattuck, 2010a: 128.

Type Material

  • Formica longicornis: Syntype, worker(s), Senegal.

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

Description

Worker

LaPolla et al. (2013) - Measurements in millimeters (n=4): TL: 2.1- 2.5; HW: 0.46-56; HL: 0.49-0.7; EL: 0.17-0.23; SL: 0.98-1.16; PW: 0.34-0.43; WL: 0.82-0.98; PrFL: 0.6-0.9; GL: 0.83-0.9. Indices: CI: 73-94; REL2: 38-42 ; SI: 182-226.

Overall coloration pale to very dark brown, often with a distinct blueish iridescent sheen, especially on the mesosoma and gaster. Mandibles, antennae and legs (especially the trochanters of all legs, which are a strongly contrasting very pale yellow-brown) much lighter in color; cuticle smooth and moderately shining with faint shagreenate sculpture, which is most obvious on head and gaster. Head narrow, distinctly longer than broad, with abundant pale (yellow-brown to almost white), erect macrosetae; anterior clypeal margin with a shallow medial indentation; scapes with a dense layer of very fine pubescence but lacking erect macrosetae; eyes large and convex, extending beyond head lateral margin in full frontal view; posterior head margin with rounded posterolateral corners; three distinct ocelli present. Mesosoma with scattered pale erect macrosetae (PSC = 3; MSC = 3-4); in profile pronotum and mesonotum almost flat dorsally, with a broadly angled junction; metanotal area relatively indistinct, medially about 1/5 the length of the mesonotum but longer laterally than medially; dorsum of propodeum almost flat to very shallowly domed, rounding evenly into the short declivitious face; anterolateral portion of dorsal face with some scattered pubescence. Gaster with abundant erect pale macrosetae.

Karyotype

  • n = 8, 2n = 16, karyotype = 14M+2A (India) (Imai et al., 1984).
  • n = 16 (Indonesia) (Imai et al., 1985).
  • 2n = 16 (Taiwan) (Hung et al., 1972).

References

References based on Global Ant Biodiversity Informatics

  • Arnold G. 1922. A monograph of the Formicidae of South Africa. Part V. Myrmicinae. Annals of the South African Museum 14: 579-674.
  • Borowiec L., and S. Salata. 2018. Notes on ants (Hymenoptera: Formicidae) from Gambia (Western Africa). Annals of the Upper Silesian Museum in Bytom Entomology 26: 1-13.
  • CSIRO Collection
  • Diame L., B. Taylor, R. Blatrix, J. F. Vayssieres, J. Y. Rey, I. Grechi, and K. Diarra. 2017. A preliminary checklist of the ant (Hymenoptera, Formicidae) fauna of Senegal. Journal of Insect Biodiversity 5(15): 1-16.
  • Eidmann H. 1944. Die Ameisenfauna von Fernando Poo. 27. Beitrag zu den Ergebnissen der Westafrika-Expedition. Zool. Jahrb. Abt. Syst. Ökol. Geogr. Tiere 76: 413-490.
  • Emery, C. "Viaggio ad Assab nel Mar Rosso dei Signori G. Doria ed O. Beccari con il R. Avviso "Esploratore" dal 16 novembre 1879 al 26 febbraio 1880. I. Formiche." Annali del Museo Civico di Storia Naturale 16 (1881): 525-535.
  • Forel A. 1901. Formiciden des Naturhistorischen Museums zu Hamburg. Neue Calyptomyrmex-, Dacryon-, Podomyrma- und Echinopla-Arten. Mitt. Naturhist. Mus. Hambg. 18: 43-82.
  • Forel A. 1910. Ameisen aus der Kolonie Erythräa. Gesammelt von Prof. Dr. K. Escherich (nebst einigen in West-Abessinien von Herrn A. Ilg gesammelten Ameisen). Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 29: 243-274.
  • Forel A. 1914. Formicides d'Afrique et d'Amérique nouveaux ou peu connus. Bulletin de la Société Vaudoise des Sciences Naturelles 50: 211-288.
  • Garcia F.H., Wiesel E. and Fischer G. 2013.The Ants of Kenya (Hymenoptera: Formicidae)—Faunal Overview, First Species Checklist, Bibliography, Accounts for All Genera, and Discussion on Taxonomy and Zoogeography. Journal of East African Natural History, 101(2): 127-222
  • IZIKO South Africa Museum Collection
  • Karavaiev V. 1911. Ameisen aus Aegypten und dem Sudan. Rus. Entomol. Obozr. 11: 1-12.
  • Kouakou L. M. 2015. Evaluation de la diversite des especes de fourmis anthropophiles, natives, exotiques et potentielles invasives en Cote d'Ivoire. Royal Belgian Institute of Natural Sciences
  • Kouakou L. M. M., K. Yeo, K. Ouattara, W. Dekoninck, T. Delsinne, and S. Konate. 2018. Investigating urban ant community (Hymenoptera: Formicidae) in port cities and in major towns along the border in Côte d’Ivoire: a rapid assessment to detect potential introduced invasive ant species. Journal of Animal and Plant Sciences 36(1): 5793-5811.
  • Kouakou L. M. M., W. Dekoninck, M. Kone, T. Delsinne, K. Yeo, K. Ouattara, and S. Konate. 2018. Diversity and distribution of introduced and potentially invasive ant species from the three main ecoregions of Côte d’Ivoire (West Africa). Belgian Journal of Zoology 148 (1): 83–103.
  • Madl M. 2019. Notes on the ant fauna of Eritrea (Insecta: Hymenoptera: Formicidae): type specimens deposited in the Natural History Museum Vienna (Austria) and a preliminary checklist. Ann. Naturhist. Mus. Wien, B 121: 9-18.
  • Magboul R., A. Khider, E. Idris, and T. H. Alam. 2013. Ant diversity at Sunut forest, Khartoum, Sudan. Egypt. Acad. J. Biolog. Sci. 6(1): 43-46.
  • Medler J. T. 1980: Insects of Nigeria - Check list and bibliography. Mem. Amer. Ent. Inst. 30: i-vii, 1-919.
  • Menozzi C. 1926. Formiche dell'Africa centrale. Bollettino della Società Entomologica Italiana. 58: 36-41.
  • Menozzi C. 1930. Formiche della Somalia italiana meridionale. Memorie della Società Entomologica Italiana. 9: 76-130.
  • Menozzi C. 1942. Formiche dell'isola Fernando Poo e del territorio del Rio Muni (Guinea Spagnola). 24. Beitrag zu den wissenschaftlichen Ergebnissen der Forschungsreise H. Eidmann nach Spanisch-Guinea 1939 bis 1940. Zoologischer Anzeiger 140: 164-182.
  • Mikissa J. B., J. H. C. Delabie, J. L. Mercier, and D. Fresnau. 2008. Preliminary Assessment on the Interactions of Wasmannia auropunctata in Native Ant Communities (Hymenoptera: Formicidae) of a Mosaic Gallery Forest/Savannah in Lope National Park, Gabon. Sociobiology 51(1): 207-218.
  • Santschi F. 1914. Formicides de l'Afrique occidentale et australe du voyage de Mr. le Professeur F. Silvestri. Bollettino del Laboratorio di Zoologia Generale e Agraria della Reale Scuola Superiore d'Agricoltura. Portici 8: 309-385.
  • Santschi F. 1920. Études sur les maladies et les parasites du cacaoyer et d'autres plantes cultivées à S. Thomé. X. Fourmis de S. Thomé. Extrait des Mémoires publiés par la Société Portugaise des Sciences Naturelles. Lisbonne: Imprimerie de la Librairie Ferin, 4 pp.
  • Santschi F. 1935. Hymenoptera. I. Formicidae. Mission Scientifique de l'Omo 2: 255-277.
  • Stitz H. 1916. Formiciden. Ergebnisse der Zweiten Deutschen Zentral-Afrika Expedition 1: 369-405.
  • Taylor B., N. Agoinon, A. Sinzogan, A. Adandonon, Y. N'Da Kouagou, S. Bello, R. Wargui, F. Anato, I. Ouagoussounon, H. Houngbo, S. Tchibozo, R. Todjhounde, and J. F. Vayssieres. 2018. Records of ants (Hymenoptera: Formicidae) from the Republic of Benin, with particular reference to the mango farm ecosystem. Journal of Insect Biodiversity 8(1): 006–029.
  • Vanderhaegen K., Z. Naturinda, L. M. M. Kouakou, A. Vanderheyden, and W. Dekoninck. 2019. First record of the invasive longhorn crazy ant, Paratrechina longicornis (Latreille, 1802) (Hymenoptera: Formicidae) from Mt. Elgon, eastern Uganda. BioInvasions Records 8.
  • Wetterer J. K., X. Espadaler, A. L. Wetterer, D. Aguin-Pombo, and A. M. Franquinho-Aguiar. 2006. Long-term impact of exotic ants on the native ants of Madeira. Ecological Entomology 31: 358-368.
  • Wetterer J. K., X. Espadaler, A. L. Wetterer, D. Aguin-Pombo, and A. M. Franquinho-Aguiar. 2007. Ants (Hymenoptera: Formicidae) of the Madeiran archipelago. Sociobiology 49: 265-297.
  • Wheeler W. M. 1922. Ants of the American Museum Congo expedition. A contribution to the myrmecology of Africa. II. The ants collected by the American Museum Congo Expedition. Bulletin of the American Museum of Natural History 45: 39-269.
  • Wheeler W. M. 1922. 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. Bulletin of the American Museum of Natural History 45: 711-1004
  • Yeo K., L. M. M. Kouakou, W. Dekoninck, K. Ouattara, and S. Konate. 2016. Detecting intruders: assessment of the anthropophilic ant fauna (Hymenoptera: Formicidae) in the city of Abidjan and along access roads in Banco National Park (Côte d’Ivoire). Journal of Entomology and Zoological Studies 4(4): 351-359.
  • Yeo K., T. Delsinne, S. Komate, L. L. Alonso, D. Aidara, and C. Peeters. 2016. Diversity and distribution of ant assemblages above and below ground in a West African forest–savannah mosaic (Lamto, Cote d’Ivoire). Insectes Sociaux DOI 10.1007/s00040-016-0527-6
  • Yeo K., and A. Hormenyo. 2007. A Rapid Survey of Ants in Ajenjua Bepo and Mamang River Forest Reserves, Eastern Region of Ghana. Pp 27-29. In McCullough, J., P. Hoke, P. Naskrecki, and Y. Osei-Owusu (eds.). 2008. A Rapid Biological Assessment of the Ajenjua Bepo and Mamang River Forest Reserves, Ghana. RAP Bulletin of Biological Assessment 50. Conservation International, Arlington, VA, USA.
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