Hawaiian Ecosystems at Risk project (HEAR)

Linepithema humile
(a type of insect)

Argentine ant

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Species description or overview Identification Taxonomy & nomenclature Impacts Images
Distribution In the news Full-text articles Other resources  


Species description or overview

JAnt: species: Linepithema humile
Images of Monomorium pharaonis, its description and distribution in Japan are on this Japanese Ant Database page.

IPM Tactics for Argentine Ant Control
Fire Ants -- Teaching Resources

Introduced species in Hawaii: Hymenoptera: Formicidae
The factors that make the Argentine ant, the long legged ant, and the big-headed ant successful and detrimental invaders in Hawaii are discussed in this senior seminar presentation from Earlham College.

Australian Ants Online - Linepithema
This site contains a brief discussion on the species and an excellent list of research references.

Argentine Ant View info about Adobe Acrobat PDF format
General information on Linepithema humile is provided by the Virginia Cooperative Extension.

AntWatch: Ants of Hawai'i
Antwatch provides images and descriptions of ants that have been introduced to Hawaii.

Management Guidelines for Ants on Citrus
public domain

Linepithema humile (insect)
Nomenclatural information about Panicum decompositum is provided by ITIS.

Those pesky tramp ants (Pest Control Technology Online)
Polygyny, monomorphism, and colony dispersal by budding and fission allow tramp ant species to succesfully invade new territories. These and other characteristics that benefit tramp ants are discussed in this article.


Identification

Key to ant species in Hawaii
13 physical characteristics are the basis of this computer-assisted key for identifying the 48 species of ants in Hawaii.

AntWeb field guide to the ant species of Hawaii View info about Adobe Acrobat PDF format
Images of 20 of the ant species of Hawaii help to identify the species.


Taxonomy & nomenclature

ITIS nomenclature info for Linepithema humile
Nomenclatural information about Linepithema humile is provided by ITIS.

Taxonomy and Distribution of the Argentine Ant, Linepithema humile (Hymenoptera: Formicidae) View info about Adobe Acrobat PDF format
USFWS


Impacts

Native Hawaiian pollinators threatened by Argentine ants
The Argentine ant threatens pollinators of silversword plants at Haleakala National Park.

Invasive species in the Pacific: A technical review and draft regional strategy (2000) View info about Adobe Acrobat PDF format
The status of invasive plants, vertebrates, arthropods, molluscs, and crustaceans, and options for a regional invasive species strategy for the South Pacific are presented in this series of articles from the South Pacific Regional Environment Programme, 2000.

Effects of the Argentine ant on arthropod fauna of Hawaiian high-elevation shrubland (abstract)
Invasion of the Argentine ant has reduced the abundance of many endemic arthropod species in the shrublands surrounding Haleakala National Park, Hawaii (Ecology, 1992).

Exotic ants in the Canary Islands View info about Adobe Acrobat PDF format
Twelve exotic ant species found in the Canary Islands are reviewed.

Introduced species in Hawaii: Hymenoptera: Formicidae
The factors that make the Argentine ant, the long legged ant, and the big-headed ant successful and detrimental invaders in Hawaii are discussed in this senior seminar presentation from Earlham College.


Images

PCD4441-02 Linepithema humile
High definition images are provided by the Japanese Ant Image Database.

Linepithema humile
This Spanish language page provides a numbers of images.

USGS state fact sheet info from USGS/BRD/PIERC/HNPFS
USDA/ITIS (http://www.itis.usda.gov/)

UC IPM Photo
This entry was automatically generated by the Paradox script ITISPLTS.SSL.

Argentine ant, Linepithema humile images
An Argentine ant carrying a dead companion is one of the images posted on this Bug Guide page.


Distribution

Mauna Kea Ant Survey
Ant colonies of Mauna Kea, there distribution, spread, impact, and potential control methods are the subject of the study outlined on this page.

Linepithema humile -- Argentine Ant
This clickable map shows the distribution of this species around the world.

Argentine ant, Linepithema humile images
An Argentine ant carrying a dead companion is one of the images posted on this Bug Guide page.

Taxonomy and Distribution of the Argentine Ant, Linepithema humile (Hymenoptera: Formicidae) View info about Adobe Acrobat PDF format
USFWS

Invasive species in the Pacific: A technical review and draft regional strategy (2000) View info about Adobe Acrobat PDF format
The status of invasive plants, vertebrates, arthropods, molluscs, and crustaceans, and options for a regional invasive species strategy for the South Pacific are presented in this series of articles from the South Pacific Regional Environment Programme, 2000.

Nonindigenous ants associated with geothermal and human disturbance in Hawaii Volcanoes National Park (abstract)
Ants were common in areas disturbed by geothermal or human activity in HawaiiVolcanoes National Park, but rare in undisturbed forest. Warmth generated by geothermal activity extended the range of some lowland ant species (Pacific Science, 1998).

Status and distribution of ants in the Crater District of Haleakala National Park (abstract)
Possible impacts of three species of ants on endemic flightless insects in the Haleakala Park area are discussed (Pacific Science, 1982).

Colony structure in introduced and native populations of the invasive Argentine ant, Linepithema humile (abstract)
The Argentine ant, Linepithema humile, severely decreases the abundance and diversity of native ant fauna in areas where it invades, but coexists with a more diverse assemblage of ants in its native range ( Insectes Sociaux, 2004).

Argentine ant in Haleakala National Park
Argentine ant (Linepithema humile) images and distribution map for Haleakala National Park, Maui, Hawaii, are on this site.


In the news

Native Hawaiian pollinators threatened by Argentine ants
The Argentine ant threatens pollinators of silversword plants at Haleakala National Park.


Full-text articles

Potential impact of the Argentine Ant (Linepithema humile) in New Zealand and options for its control View info about Adobe Acrobat PDF format
The Biodiversity Conservation Information System (BCIS) is consortium of ten international conservation organizations and programs of IUCN working together toward a common goal: to support environmentally sound decision-making and action by facilitating access to biodiversity data and information.

Ant invasions of mamane-naio forest at high elevations on Mauna Kea.
The potential impact of ants upon the endangered Hawaiian honeycreeper -- palila -- was studied on the dry sub-alpine slopes of Mauna Kea.

Taxonomy and Distribution of the Argentine Ant, Linepithema humile (Hymenoptera: Formicidae) View info about Adobe Acrobat PDF format
USFWS

Long-term dynamics of the distribution of the invasive Argentine ant, Linepithema humile, and native ant taxa in northern California View info about Adobe Acrobat PDF format
no info readily available as of 20050806

The Colony Structure and Population Biology of Invasive Ants View info about Adobe Acrobat PDF format
This article reviews the population biology of invasive ants (Linepithema humile & Solenopsis invicta) and focuses on the role of sociality and colony structure in their success.

Protect Autumn 01.indd View info about Adobe Acrobat PDF format
This article from the New Zealand Biosecurity Institute outlines efforts to eradicate Linepithema humile and describes how an invasion of Solenopsis invicta was recently intercepted and prevented.

Community Structure of House-Infesting Ants (Hymenoptera: Formicidae) in Southern Bahia, Brazil View info about Adobe Acrobat PDF format
This article examines the community structure of house invading ants in Brazil.

Soil-free collection of Argentine ants (Hymenoptera: Formicidae) based on food directed brood and queen movement View info about Adobe Acrobat PDF format
This article outlines a method for collecting this species.

Impacts of alien land arthropods and mollusks on native plants and animals in Hawaii View info about Adobe Acrobat PDF format
The impacts of invasive invertebrates on Hawaii's ecosystems are reviewed (symposium proceedings, 1984).

Pacific Ant Prevention Plan View info about Adobe Acrobat PDF format
This proposal was prepared by ISSG for the Pacific Plant Protection Organization and Regional Technical Meeting For Plant Protection in March 2004.

Long-term impact of exotic ants on the native ants of Madeira View info about Adobe Acrobat PDF format
The earliest exotic records for big-headed ant (Pheidole megacephala) and the Argentine ant ( Linepithema humile ), are from the islands of Madeira, where the species underwent population explosions in the 1850s and 1890s respectively. Current surveys reevaluate assumptions regarding the extent of these invasions (Ecological Entomology, 2006).

The ecology, policy, and management of ants in Hawaii (Proc. Hawaiian Entomol Soc., 2005)
The ecology and impacts of the roughly 45 ant species introduced to Hawaii, and their implications for agriculture, other sectors of the economy, and the conservation of native biodiversity, are reviewed (abstract with link to full article).

Current and potential ant impacts in the Pacific region (Proc. Hawaiian Entomological Society, 2005)
Is an "invasional meltdown" involving ants and scale insects a wave of the future for the Pacific? This article discusses the potential impacts of invasive insects on Pacific Islands.

A review of the association of ants with mealybug wilt disease of pineapple (Proc. Hawaiian Entomological Society, 2003)
The mutualism between ants and mealybugs on pineapple is reviewed.

The colony structure and population biology of invasive ants
The Tsutsui Lab at the University of California, Berkeley publishes research papers on the behavior of invasive ants, particularly the Argentine ant and red imported fire ant. This site links to full-length research articles published by the Tsutsui lab.

Colony structure in introduced and native populations of the invasive Argentine ant, Linepithema humile (abstract)
The Argentine ant, Linepithema humile, severely decreases the abundance and diversity of native ant fauna in areas where it invades, but coexists with a more diverse assemblage of ants in its native range ( Insectes Sociaux, 2004).

The causes and consequences of ant invasions View info about Adobe Acrobat PDF format
Invasive ants compete with and prey upon a diversity of other organisms, including some vertebrates, and may enter into or disrupt mutualistic interactions with numerous plants and other insects.

Floral visitation patterns of two invasive ant species and their effects on other hymenopteran visitors
The Argentine ant Linepithema humile, and the big-headed ant Pheidole megacephala, affected nectar volume and floral hymenopteran visitors on ohia flowers (Lori Lach, Ecological Entomology, 2008).

Argentine and other ants in New Zealand horticultural ecosystems: distribution, hemipteran hosts, and review View info about Adobe Acrobat PDF format
Linepithema humile and Paratrechina vaga are commonly found in horticultural crops tending hemipteran insects and may cause significant economic impacts.

Arthropod pests of conservation significance in the Pacific: A preliminary assessment of selected groups View info about Adobe Acrobat PDF format
Invasive ants are individually reviewed in this section of "Invasive species in the Pacific: A technical review and draft regional strategy" published in June 2000 by the South Pacific Regional Environment Programme.


Other resources

Linepithema humile (Argentine ant) links from the Hawaii Ant Group
Links to information about Linepithema humile (the Argentine ant) are provided by the Hawaii Ant Group (HAG).

Ant News
This internet blog has some interesting info on the latest research articles for Linepithema humile and other species -- be sure to check out the archives.

Argentine ant (Linepithema humile; syn.: Iridomyrmex humilis [Formicidae]) View info about Adobe Acrobat PDF format
Rod Randall - Western Australia Dept. of Agriculture

Hoike o Haleakala Curriculum -- Web of Life Game View info about Adobe Acrobat PDF format
In this game students explore how various endemic and introduced species interact in the alpine/Aeolian regions of Haleakala, including the invasive ant species Linepithema humile.

Hoike o Haleakala Curriculum # Ant Alert: How Does Invasion Threaten Natives? View info about Adobe Acrobat PDF format
Students prepare a presentation on Argentine ant in Haleakala National Park based on handouts and a video.

Hoike o Haleakala Curriculum # Controlling the Argentine Ant View info about Adobe Acrobat PDF format
GCW database housed at HEAR (www.hear.org/gcw)


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