Antkey

ID guide | introduced ants

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The diversity and origin of exotic ants arriving in New Zealand via human-mediated dispersal

Publication Type:Journal Article
Year of Publication:2006
Authors:Ward, DF, Beggs, JR, Clout, MN, Harris, RJ, O'Connor, S
Journal:Diversity and Distributions
Volume:12
Pagination:601-609
Date Published:September 2006
Abstract:

*[The taxonomic diversity, trade pathways, and origin of exotic ants intercepted at the New Zealand border were examined for the period 1955-2005. Overall, there were atotal 4355 interception records, with 115 species from 52 genera. The 10 most frequently intercepted genera, and the 20 most frequently intercepted species contributed >90% of all records. Many of the species frequently intercepted are regarded as invasive species, and several are established in New Zealand. The most intercepted species was Pheidole megacephala. Despite a relatively low trade relationship, a high proportion, >64%, of the exotic ants which were intercepted originated from the Pacific region. However, the majority of species intercepted from the Pacific was exotic to the region, 71%, or to a lesser extent, wide-ranging Pacific native species. No endemic species from the Pacific were intercepted. The effectiveness of detecting exotic ant species at the New Zealand border ranged from 48-78% for different trade pathways, indicating a number of species remain undetected. Trade routes associated with specific geographical regions represent a major filter for the arrival of exotic ant species.]

Alternate Journal:Diversity Distrib.
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