Hawaiian Ecosystems at Risk project (HEAR)

Tapinoma melanocephalum
(Formicidae)

 
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HEAR CLOSING      HEAR CLOSING      HEAR CLOSING

A message from Dr. David Duffy, Pacific Cooperative Studies Unit (PCSU), University of Hawaii (posted 05 November 2012):

Because of a lack of funds, HEAR (www.hear.org) may close as soon as December 15, although there may be enough funds to extend it until February 15. This will mean several things. The web site will be placed on a new server although it is not clear who will pay for the server or for transitioning the site. HEAR data will not be updated. The Pacific Ecosystems at Risk (PIER) (http://www.hear.org/pier/abtproj.htm) site will also become frozen, as will numerous books, reports and papers (http://www.hear.org/). As software evolves we will likely lose the ability to access the data. The various list servers will need new owners, otherwise moderated lists will cease to function altogether, while other lists will not be able to add or delete members. The photo collection (http://www.hear.org/starr/images/?o=plants) will remain accessible, but only through a third party site that will charge for access.

I should point out that we have already lost the original homes of both the Pacific Basin Information Node (PBIN) and Pacific Ecosystems at Risk (PIER) although they have found temporary refuges. Together with HEAR, they represent the corporate memory both here in Hawaii and across the Pacific of efforts to sustain our natural ecosystems and agriculture against problems caused by species alien to the islands. HEAR also serves as the glue that holds the community together, providing information and facilitating communication. I just hope hindsight is kind to this decision.

PLEASE SEND YOUR COMMENTS/SUGGESTIONS TO webmaster@hear.org

Let us know if you have suggestions for additional references to add to this page.


Species description or overview

Ghost ant: Tapinoma melanocephalum
General information about and a photograph of Tapinoma melanocephalum are available from the University of Florida.

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.

Tapinoma melanocephalum overview from ISSG
The ecology, distribution, imacts, habitat, and management of Tapinoma melanocephalum are presented in this Invasive Species Specialist Group (ISSG) site.

Tapinoma melanocephalum description and ecology from GISD (ISSG)
A species description and information about the ecology of Tapinoma melanocephalum as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Taxonomy & nomenclature

Tapinoma melanocephalum information from ITIS
The Integrated Taxonomic Information System ITIS provides authoritative taxonomic information on Tapinoma melanocephalum, as well as other plants, animals, fungi, and microbes of North America and the world.

Tapinoma melanocephalum (Fabricius, 1793) taxonomy from ITIS
ITIS, the Integrated Taxonomic Information System, lists taxonomic data for Tapinoma melanocephalum and allows searches of other databases.


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.


Impacts

Miami blue butterfly larvae and ants
Tapinoma melanocephalum, Paratrechina longicornis and P. bourbonica tend larvae of an endangered Florida butterfly in a facultative symbiosis.

Tapinoma melanocephalum impact information from GISD (ISSG)
Impact information regarding Tapinoma melanocephalum as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Prevention

Change in Quarantine Action Policy for Ants Intercepted from Commodities Destined to the State of Hawaii
A policy change regarding quarantine action for ants intercepted from commodities in Hawaii is detailed here. The revised policy went into effect 10 April 2002.


Control methods

Evaluation of methoprene granular baits against foraging Pharaoh ants, Monomorium pharaonis (abstract)
Methoprene granular baits were effective against foraging Pharaoh ants, but there was a subsequent increase in populations of other pest ants with the elimination of Pharoah ants (Sociobiology, 2003).

Tapinoma melanocephalum management information from GISD (ISSG)
Management information for Tapinoma melanocephalum as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Human health issues

Evaluation of urban ants as carriers of pathogens in residential and industrial environments: I. Bacteria (abstract)
Tapinoma melanocephalum was the most frequent carrier of potentially pathogenic bacteria in this study, but other ant species are also carriers (Sociobiology, 2005).

Urban ants and transportation of nosocomial bacteria
Tapinoma melanocephalum was found to be a carrier of staphylococcus, including antimicrobial drug-resistant strains, in a hospital setting (Neotropical Entomology, 2007).


Images

Tapinoma melanocephalum images (Starr)
Images of Tapinoma melanocephalum (Formicidae) (tiny yellow house ant are provided by from Forest and Kim Starr.

Tapinoma melanocephalum images from JAnt
Images of Tapinoma melanocephalum, its description and distribution in Japan are on this Japanese Ant Database page.

Tapinoma melanocephalum images on AntWeb
This AntWeb site allows comparisons of close-up images of individuals within the species Tapinoma melanocephalum.

Ants in Hawaii images
Images of many ant species found in Hawaii are on this page of photos taken by Neil Reimer, Hawaii State Department of Agriculture.


Distribution

Ants from Moorea, Society Islands (American Museum of Natural History, 1908)
In 1906-1907, 13 ant species were collected for the American Museum on the island of Moorea (Eimeo), near Tahiti. Some of the species are listed by outdated names.

A survey of urban pest ants in the Florida peninsula (Florida Entomologist, 1995) View info about Adobe Acrobat PDF format
Eight species of ants were identified as key pests in Florida. The most common were Solenopsis invicta (14%), Tapinoma melanocephalum (14%), Paratrechina longicornis (14%), Camponotus abdominalis floridanus (12%), Monomorium pharaonis (11%), Camponotus tortuganus (8%), Pheidole megacephala (7%), and Paratrechina bourbonica (4%).

Tapinoma melanocephalum worldwide distribution from GISD (ISSG)
Worldwide distribution information about Tapinoma melanocephalum is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Full-text articles

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.

Effects of boric acid, fipronil, hydramethylnon, and diflubenzuron baits on colonies of ghost ants View info about Adobe Acrobat PDF format
The efficacy of a variety of toxic baits on Tapinoma melanocephalum is reported (J. Economic Entomology, 2003).

Predation by Tapinoma melanocephalum on twospotted spider mites View info about Adobe Acrobat PDF format
T. melanocephalum is a significant predator of spider mites in Florida greenhouses (Florida Entomologist, 1995).

Determinants for the successful establishment of exotic ants in New Zealand View info about Adobe Acrobat PDF format
The exotic New Zealand ant fauna is examined for characteristics that predict or determine an exotic species' ability to establish. A predictive model based on quarantine records, climate, and ant species size was 71% accurate.


Experts

Tapinoma melanocephalum contacts from GISD (ISSG)
Contact information for experts on Tapinoma melanocephalum as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Discussion forums

Pacific Ant Group e-mail list (PAG-L@HAWAII.EDU)
The Pacific Ant Group discussion forum facilitates communication toward preventing establishment of Red Imported fire ant and other invasive ants on Pacific islands.


Other resources

Tapinoma melanocephalum references from GISD (ISSG)
References regarding Tapinoma melanocephalum as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


PDF icon Some documents posted on the HEAR website are in Adobe Acrobat PDF format. If your computer is not already set up to read these files, you can download the FREE Adobe Acrobat reader. You can set up most web browsers to automatically invoke this reader (as a "helper application" or "add-in") upon encountering documents of this type (refer to your browser's documentation for how to do this). download Acrobat reader


The Hawaiian Ecosystems at Risk project (HEAR) is currently funded by grants from the Hau'oli Mau Loa Foundation and the U.S. Forest Service with support from PCSU (UH Manoa). Historically, HEAR has also received funding and/or support from the Pacific Basin Information Node (PBIN) of the National Biological Information Infrastructure (NBII), PIERC (USGS), the USFWS, HCSU (UH Hilo), and HALE (NPS).

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