Effect of Argentine ant invasions on ground-dwelling arthropods in northern California riparian woodlands

@article{Holway1998EffectOA,
  title={Effect of Argentine ant invasions on ground-dwelling arthropods in northern California riparian woodlands},
  author={David A. Holway},
  journal={Oecologia},
  year={1998},
  volume={116},
  pages={252-258}
}
  • D. Holway
  • Published 1 August 1998
  • Environmental Science
  • Oecologia
Abstract Although the Argentine ant (Linepithema humile) is a widespread invasive species that displaces native ants throughout its introduced range, the effects of these invasions on arthropods other than ants remain poorly known. This study documents the consequences of Argentine ant invasions on ants and other ground-dwelling arthropods in northern California riparian woodlands. Baits and unbaited pitfall traps were used to sample different components of the arthropod communities at five… 
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248 Citations

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The Argentine ant, Linepithema humile, was found established in New Zealand in 1990. During summer 2001/2002 the spread of Argentine ants from urban environments into native habitats was…

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The Argentine ant invasion provoked a drastic reduction of the ant species richness, and only one native ant species is able to coexist with the Argentine ant, the cryptic Plagiolepis pygmaea.

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The Argentine ant invasion does not appear to have greatly determined the insectivorous bird assemblage of the forests evaluated, and differences in prey biomass between invaded and uninvaded areas did not entail a biomass shift in the guild of Insectivorous birds, regardless of whether they were shrub or canopy foragers.

Impacts of Argentine ants on invertebrate communities with below-ground consequences

A greater knowledge of the history of invasion at a site would clarify variation in the impacts of Argentine ants, but their persistence in the ground litter layer may have long-term implications for soil and plant health in native ecosystems.
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References

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