Aculeata - Ants, Bees and Stinging Wasps
Long-term effects of the invasion of an arthropod community by the imported fire ant, Solenopsis invicta.By Morrison, L.W.
Ecology, 83(8): 2337-2345., 2002
Morrison, L.W. 2002. Long-term effects of the invasion of an arthropod community by the imported fire ant, Solenopsis invicta
. Ecology, 83(8): 2337-2345.
Invasive ant species represent a serious threat to the integrity of many ecological communities, often causing decreases in the abundance and species richness of both native ants and other arthropods. One of the most in-depth and well-known studies of this type documented a severe impact of the imported red fire ant, Solenopsis invicta
, on the native ant and arthropod fauna of a biological field reserve in central Texas (USA) during the initial invasion in the late 1980s. I sampled the community again in 1999, 12 years later, utilizing the same methodology, to compare the short- and long-term impacts of this invasion. Pitfall traps and baits were used to obtain quantitative measures of the ant and arthropod community, and hand collecting was additionally employed to determine the overall ant species composition. Although the abundance and species richness of native ants and several other arthropod groups decreased precipitously immediately after the S. invicta
invasion, all measures of native ant and arthropod species diversity had returned to preinvasion levels after 12 years. Solenopsis invicta
was still the most abundant ant species, but not nearly as abundant as it was during the initial phase of the invasion. The results of this study indicate that the impact of such invasive ants may be greatest during and shortly after the initial phase of an invasion.
Fire ants.By Taber, S.W.
Texas A&M University Press, College Station, TX. xvii + 328 pp., 2000
Taber, S.W. Fire ants. 2000. Texas A&M University Press, College Station, TX. xvii + 328 pp.
In the early years of the twentieth century, South American fire ants crossed the Caribbean and invaded the shores of the southeastern United States. These imported fire ants quickly found a niche in Gulf Coast fields and lawns, overpowered the native species, and began spreading. In the process they became a notorious pest to some, a beneficial ally to others, and a potential killer to allergy sufferers. As a result, they are among the most intensely studied insects in the world.
Distribution and density of polygyne fire ants (Hymenoptera: Formicidae) in Texas.By Porter et al.
Journal of Economic Entomology 84(3): 866-874., 1991
Porter, S.D., A. Bhatkar, R. Mulder, S.B. Vinson, and D. Clair. 1991. Distribution and density of polygyne fire ants (Hymenoptera: Formicidae) in Texas. Journal of Economic Entomology 84(3): 866-874.
Multiple-queen or "polygyne" Solenopsis invicta Buren colonies are a serious economic and environmental concern because they occur in much higher densities than the monogyne form. Polygyne colonies have been found at numerous locations in the United States; nevertheless, the frequency and distribution of this form are poorly known. Almost 700 roadside sites in 168 Texas counties were surveyed.
Fire ant predation on monarch larvae (Nymphalidae: Danainae) in a central Texas prairie.By Calvert, W.H.
Journal of the Lepidopterists' Society 50(2): 149-151., 1996
Calvert, W.H. 1996. Fire ant predation on monarch larvae (Nymphalidae: Danainae) in a central Texas prairie. Journal of the Lepidopterists' Society 50(2): 149-151.
Additional key words: milkweed, population dynamics, Danaus plexippus, Asclepias oenotheroides, Solenopsis invicta
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Naturalization of the oil collecting bee Centris nitida (Hymenoptera, Apidae, Centrini)...By Pemberton R.W., Liu H.
Florida Entomologist 9: 101-109, 2008
Full title: Naturalization of the oil collecting bee Centris nitida
(Hymenoptera, Apidae, Centrini), a potential pollinator of selected native, ornamental, and invasive plants in Florida