ID guide | introduced ants

The Argentine ant: challenges in managing an invasive unicolonial pest

Publication Type:Journal Article
Year of Publication:2008
Authors:J. Silverman, Brightwell R. John
Journal:Annual Review of Entomology
Date Published:2008
Keywords:Agriculture, Animals, Ants, Cost-Benefit Analysis, Insect Control, Insecticides, management

The Argentine ant, Linepithema humile, has invaded urban, agricultural, and natural habitats worldwide, causing economic damage and disrupting ecosystem processes. Introduced populations of L. humile and those of many other invasive ants tend to be unicolonial, forming expansive, multiqueened supercolonies that dominate native ant communities and challenge control practices in managed habitats. Argentine ant management typically entails the application of residual insecticide liquids, granules, or baits to only a portion of the colony, resulting in fairly rapid reinfestation. We suggest that prevailing control methodologies are incomplete and not compatible with the behavior, nesting habits, and population structure of this ant, and therefore, more aggressive management strategies are required. Successful eradication efforts against other invasive unicolonial ant species can provide useful insights for local-scale L. humile eradication.

Alternate Journal:Annu. Rev. Entomol.
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