HymenopteraFormicidae – Ants2 data sources

Longhorn Crazy Ant

Paratrechina longicornis

This record describes Paratrechina longicornis (species). Recorded family: Formicidae. Recorded order: Hymenoptera.

Identification and Appearance

Longhorn Crazy Ant - Paratrechina longicornis
Contributed by Jeff Hollenbeck; Additional contributions by Mike Quinn , v belov , metrioptera

Bluish reflections are characteristic Host species for the ant cricket Myrmecophilus americanus

Identification notes

Bluish reflections are characteristic

Wikipedia reference for Paratrechina longicornis: https://en.wikipedia.org/wiki/Longhorn_crazy_ant.

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Hymenoptera (Ants, Bees, Wasps and Sawflies)
Superfamily
Formicoidea
Family
Formicidae (Ants)
Subfamily
Formicinae
Tribe
Lasiini
Genus
Paratrechina

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Geographic Range

adventive and widespread across so. tier of US states (CA-TX-FL), with (indoor?) records as north to se. Canada [ map ] may be the world's most widespread ant species (Wetterer 2008); native to the Old World tropics (prob. originated from SE Asia or Melanesia)

Diet and Behavior

Life History

common in houses and seems peculiarly adapted to the interior and immediate vicinity of human habitations

Additional species information

Species notes from the sources

Etymology: Paratrechina longicornis (Latreille 1802)

About Flies: the wider group

Order-level background for Hymenoptera, the group containing Paratrechina longicornis. Species-specific details appear above.

Group overview

Hymenoptera includes over 150,000 described species of ants, bees, wasps, and sawflies. Earth harbors approximately 20 quadrillion (20×10^15) ants, with a combined biomass of ~12 megatons of dry carbon - exceeding the combined biomass of all wild birds and mammals (PNAS, 2022).

Ecological role of the group

About 35% of the world's food crops depend on animal pollinators. The chocolate industry, valued at over $100 billion, depends on pollinating flies and midges. Ants are the dominant soil engineers in most terrestrial ecosystems, turning more soil than earthworms in many habitats.

Economic and practical significance of the group

Pollinators contribute $235-577 billion worth of annual global food production (FAO). In the U.S., bee pollination alone benefits crops valued at $18 billion annually, and honey bees are responsible for $5.4 billion in agricultural productivity. Between April 2023-2024, 55.1% of managed honey bee colonies were lost. The U.S. bee population dropped from 5 million to 2.5 million.

Recorded sources for this group: FAO, USDA, EPA, PNAS (2022), US Fish & Wildlife Service. Imported estimates may describe particular regions or reporting periods.

Explore Hymenoptera families and species →

Photos of Longhorn Crazy Ant (3)

Longhorn Crazy Ant - photo 1
Contributed by Jeff Hollenbeck; Additional contributions by Mike Quinn , v belov , metrioptera
Longhorn Crazy Ant - photo 2
Contributed by Jeff Hollenbeck; Additional contributions by Mike Quinn , v belov , metrioptera
Longhorn Crazy Ant - photo 3
Contributed by Jeff Hollenbeck; Additional contributions by Mike Quinn , v belov , metrioptera

Photo credits: Contributed by Jeff Hollenbeck; Additional contributions by Mike Quinn , v belov , metrioptera

Frequently Asked Questions About Longhorn Crazy Ant

What is Longhorn Crazy Ant?

Longhorn Crazy Ant (Paratrechina longicornis) is a species in the family Formicidae, within the order Hymenoptera.

How do you identify Longhorn Crazy Ant?

Bluish reflections are characteristic

Where is Longhorn Crazy Ant found?

Range: adventive and widespread across so. tier of US states (CA-TX-FL), with (indoor?) records as north to se. Canada [ map ] may be the world's most widespread ant species (Wetterer 2008); native to the Old World tropics (prob. originated from SE Asia or Melanesia)

What is the life cycle of a Longhorn Crazy Ant?

common in houses and seems peculiarly adapted to the interior and immediate vicinity of human habitations

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by Jeff Hollenbeck; Additional contributions by Mike Quinn , v belov , metrioptera. Contributors retain copyright over their individual contributions.