Hawaiian Ecosystems at Risk project (HEAR)

Brachymyrmex obscurior
(Formicidae)

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Taxonomy & nomenclature Identification Impacts Prevention
Images Distribution Full-text articles Discussion forums

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Taxonomy & nomenclature

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

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.

Impacts

Interspecific competition and coexistence between ants and land hermit crabs on small Bahamian islands (abstract)
Brachymyrmex obscurior Forel, drove off hermit crabs from food sources by recruiting large numbers of workers (Acta Oecologica, 2002).

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

Brachymyrmex obscurior images (Starr)
Images of Brachymyrmex obscurior (Formicidae) (brachymymex ant are provided by from Forest and Kim Starr.

Brachymyrmex obscurioir information from Antweb
Information about the ant Brachymyrmex obscurioir--including images of specimens--is available online from Antweb (California Academy of Science).

Distribution

Ants of Bermuda
The specimen records of 20 ant species of Bermuda are reviewed (Florida Entomologist, 2004).

Full-text articles

Brachymyrmex obscurior most ubiquitous ant in Bahamian cays View info about Adobe Acrobat PDF format
If a small cay has only one ant species, it will almost always be Brachymyrmex obscurior. The open water distances separating the cays from each other from larger islands do not appear to be a major barrier to colonization.

A review of Bahamian ant (Hymenoptera: Formicidae) biogeography (Journal of Biogeography, 1998) View info about Adobe Acrobat PDF format
Results of surveys of native and exotic ants in the Bahamas are presented, and historical and ecological factors affecting the distribution of ant species are discussed.

Brachymyrmex obscurior among stowaways to Virgin Islands View info about Adobe Acrobat PDF format
Brachymyrmex obscurior was among several plant pests inadvertently transported to the British Virgin Isles in a shipment of potted plants from Florida, indicating the need for more effective measures to prevent continued spread of non-indigenous invertebrates to islands.

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.

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The Hawaiian Ecosystems at Risk (HEAR) project was historically funded by the Pacific Basin Information Node (PBIN) of the National Biological Information Infrastructure (NBII) through PIERC (USGS) with support from HCSU (UH Hilo). More details are available online. Pacific Basin Information Node (PBIN) National Biological Information Infrastructure (NBII)
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