densities, a factor which may severely restrict the potential spread of crazy ant
populations. Putting my results in the context of observations from the field, I suggest
that the future of the crazy ant invasion in southeast Texas will likely consist of
coexistence with fire ants, likely in a patchy distribution of habitat partitioning caused by
environmental factors that affect crazy ant abundance. Further studies, such as large-
scale surveys of invaded sites and closer examinations of invasion fronts, would be useful
in providing additional merit to this hypothesis. Nevertheless, these studies provide a
crucial first exploration of the future of the crazy ant invasion, as well as a demonstration
of the importance of competition between long-established invasive species and newly
introduced species.
Literature Cited
Belote, R. T. and J. F. Weltzin. 2006. Interactions between two со-dominant, invasive
plants in the understory of a temperature deciduous forest. Biological Invasions
8:1629-1641.
Bouregois, K., C. M. Suehs, E. Vidal, and F. Medail. 2005. Invasional meltdown
potential: facilitation between introduced plants and mammals on French
Mediterranean islands. Ecoscience 12:248-156.
Davidson, D. W. 1998. Resource discovery versus resource domination in ants: a
functional mechanism for breaking the trade-off. Ecological Entomology 23:484-
490.
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