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.
- Anguillainvasive
- Arubainvasive
- Canary Islandsinvasive
- Ecuadorinvasive
- Fijiinvasive
- French Polynesiainvasive
- Guyanainvasive
- Maldivesinvasive
- Sint Maarteninvasive
- Tongainvasive
- United Arab Emiratesinvasive
- Yemeninvasive
- Algeria
- Antigua & Barbuda
- Argentina
- Australia
- Bahamas
- Bahrain
- Bangladesh
- Barbados
- Belgium
- Belize
- Bermuda
- Brazil
Show 61 more countries
- Cayman Islands
- Chile
- China
- Colombia
- Comoros
- Cook Islands
- Costa Rica
- Cuba
- Cyprus
- Dominica
- Dominican Republic
- Egypt
- Estonia
- Ethiopia
- France
- French Guiana
- Grenada
- Guatemala
- India
- Iran
- Iraq
- Israel
- Jamaica
- Japan
- Malaysia
- Marshall Islands
- Mauritius
- Mayotte
- Mexico
- Montserrat
- Morocco
- Nepal
- Nicaragua
- Niue
- Palau
- Palestinian Territories
- Paraguay
- Peru
- Samoa
- Saudi Arabia
- Solomon Islands
- Spain
- Sri Lanka
- St. Helena
- St. Kitts & Nevis
- St. Lucia
- St. Vincent & Grenadines
- Syria
- Tanzania
- Timor-Leste
- Tokelau
- Trinidad & Tobago
- Turks & Caicos Islands
- Tuvalu
- Uganda
- United Kingdom
- United States
- Vanuatu
- Venezuela
- Vietnam
- 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?
- kingdomAnimalia
- phylumArthropoda
- classInsecta
- orderHymenoptera
- familyFormicidae
- genusParatrechina
- 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
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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CreatureData. (2026). Crazy ant (Paratrechina longicornis). Retrieved from https://creaturedata.com/animals/crazy-ant
“Crazy ant (Paratrechina longicornis).” CreatureData, 2026, https://creaturedata.com/animals/crazy-ant.
@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}
}