Hawaiian Ecosystems at Risk project (HEAR)

Pseudomyrmex gracilis
(Formicidae)

 
image of Pseudomyrmex gracilis image of Pseudomyrmex gracilis
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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

Elongate twig ant: Pseudomyrmex gracilis
Pseudomyrmex gracilis information and a photograph are presented by the University of Florida.


Taxonomy & nomenclature

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

Pseudomyrmex gracilis (Fabricius, 1804) taxonomy from ITIS
ITIS, the Integrated Taxonomic Information System, lists taxonomic data for Pseudomyrmex gracilis and allows searches of other databases.


Identification

Pseudomyrmex gracilis SEM image
This SEM (scanning electron microscope) image of the Mexican ant is a frontal head view.


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.


Images

Pseudomyrmex gracilis images (Starr)
Images of Pseudomyrmex gracilis (Formicidae) (Mexican ant are provided by from Forest and Kim Starr.

Pseudomyrmex gracilis images from AntWeb
This AntWeb site allows comparisons of close-up images of individuals within the species Pseudomyrmex gracilis.

Pseudomyrmex gracilis SEM image
This SEM (scanning electron microscope) image of the Mexican ant is a frontal head view.

Pseudomyrmex gracilis, Mexican twig ant photos
Prize winning photographs show twig ants in nature.


Distribution

Ants on non-native neotropical ant-acacias (Fabales: Fabaceae) in Florida
Pseudomyrmex gracilis was found inhabiting an ant-acacia's hollow thorns, reconstituting in an exotic locale a facultative symbiosis evolved in the Neotropics.

Pseudomyrmex gracilis distribution map
This interactive global map from Discover Life shows collection information for Pseudomyrmex gracilis from Florida Atlantic University.

New arthropod records from Kahoolawe (Bishop Museum Occasional Papers, 2004) View info about Adobe Acrobat PDF format
New island records of a variety of arthropods collected on Kahoolawe are reported here.


Full-text articles

The role of opportunity in the unintentional introduction of nonnative ants (Proceedings National Academy of Science)
The authors study ant species unintentionally transported into the US and relate opportunity and species-level ecological attributes to the probability of establishment.


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.


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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