CreatureData

Crazy ant

Paratrechina longicornis (Latreille, 1802)

Status not recordedbees wasps and ants

The crazy ant (Paratrechina longicornis) is a species in the family Formicidae, order Hymenoptera.

No freely licensed photo yet

Quick facts about the crazy ant

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the crazy ant live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the crazy ant as introduced in 85 countries, and flagged as invasive in 12 of them.

  1. Anguillainvasive
  2. Arubainvasive
  3. Canary Islandsinvasive
  4. Ecuadorinvasive
  5. Fijiinvasive
  6. French Polynesiainvasive
  7. Guyanainvasive
  8. Maldivesinvasive
  9. Sint Maarteninvasive
  10. Tongainvasive
  11. United Arab Emiratesinvasive
  12. Yemeninvasive
  13. Algeria
  14. Antigua & Barbuda
  15. Argentina
  16. Australia
  17. Bahamas
  18. Bahrain
  19. Bangladesh
  20. Barbados
  21. Belgium
  22. Belize
  23. Bermuda
  24. Brazil
Show 61 more countries
  1. Cayman Islands
  2. Chile
  3. China
  4. Colombia
  5. Comoros
  6. Cook Islands
  7. Costa Rica
  8. Cuba
  9. Cyprus
  10. Dominica
  11. Dominican Republic
  12. Egypt
  13. Estonia
  14. Ethiopia
  15. France
  16. French Guiana
  17. Grenada
  18. Guatemala
  19. India
  20. Iran
  21. Iraq
  22. Israel
  23. Jamaica
  24. Japan
  25. Malaysia
  26. Marshall Islands
  27. Mauritius
  28. Mayotte
  29. Mexico
  30. Montserrat
  31. Morocco
  32. Nepal
  33. Nicaragua
  34. Niue
  35. Palau
  36. Palestinian Territories
  37. Paraguay
  38. Peru
  39. Samoa
  40. Saudi Arabia
  41. Solomon Islands
  42. Spain
  43. Sri Lanka
  44. St. Helena
  45. St. Kitts & Nevis
  46. St. Lucia
  47. St. Vincent & Grenadines
  48. Syria
  49. Tanzania
  50. Timor-Leste
  51. Tokelau
  52. Trinidad & Tobago
  53. Turks & Caicos Islands
  54. Tuvalu
  55. Uganda
  56. United Kingdom
  57. United States
  58. Vanuatu
  59. Venezuela
  60. Vietnam
  61. Wallis & Futuna

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the crazy ant endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the crazy ant classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classInsecta
  4. orderHymenoptera
  5. familyFormicidae
  6. genusParatrechina
  7. SpeciesParatrechina longicornis (Latreille, 1802)

Synonyms Formica gracilescens, Formica longicornis, Formica vagans, Paratrechina currens, Paratrechina gracilescens, Paratrechina hagemanni, Paratrechina longicornis hagemanni, Paratrechina vagans, Prenolepis longicornis, Prenolepis longicornis hagemanni, Prenolepis longicornis var. hagemanni

Other names and names in other languages (21)
  • BCAEnglish
  • Black crazy antEnglish
  • Longhorn crazy antEnglish
  • نمل مجنون أسودArabic
  • Sort tossemyreDanish
  • Hormiga africana loca de antenas largasSpanish
  • Fourmi folle noireFrench
  • אצנית ארוכת מחושHebrew
  • ヒゲナガアメイロアリJapanese
  • 열대긴수염개미Korean
  • stankelbeinmaurNorwegian Bokmål
  • SuperlangsprietmierDutch
  • formiga-loucaPortuguese
  • slank växthusmyraSwedish
  • มดดำThai
  • 狂蟻Chinese
  • نمل مجنون طويل القرونArabic
  • มดรำคาญขายาวThai
  • 小黑蟻Chinese
  • 長角狂蟻Chinese
  • 長角黃山蟻Chinese

Catalogue of Life

Relatives of the crazy ant

Other species in the same genus Paratrechina.

CompareCrazy ant vs Paratrechina ankaranaCrazy ant vs Paratrechina anthracinaCrazy ant vs Paratrechina antsingyCrazy ant vs Paratrechina birmana

Common questions

Answered only where our data holds the answer.

Is the crazy ant an invasive species?

In some places. The Global Register of Introduced and Invasive Species flags the crazy ant as invasive in 12 countries, including Anguilla, Aruba, Canary Islands, Ecuador and Fiji. It lists it as introduced in 85 in all.

What kind of animal is the crazy ant?

The crazy ant (Paratrechina longicornis) belongs to the family Formicidae in the order Hymenoptera.

Sources and how to cite this page

Data as of 2026-11-13. How this page is put together.

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APA

CreatureData. (2026). Crazy ant (Paratrechina longicornis). Retrieved from https://creaturedata.com/animals/crazy-ant

MLA

“Crazy ant (Paratrechina longicornis).” CreatureData, 2026, https://creaturedata.com/animals/crazy-ant.

BibTeX
@misc{crazy_ant_2026,
  title = {Crazy ant (Paratrechina longicornis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/crazy-ant},
  note = {Data as of 2026-11-13}
}