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Effects Of The Argentine Ant On Arthropod Fauna Of Hawaiian High-Elevation Shrubland, F Cole, Arthur Madeiros, Lloyd Loope, William Zuehlke
Effects Of The Argentine Ant On Arthropod Fauna Of Hawaiian High-Elevation Shrubland, F Cole, Arthur Madeiros, Lloyd Loope, William Zuehlke
F. Russell Cole
Human-caused biological invasions by an alien species are a worldwide phenomenon. They are particularly significant on isolated oceanic islands and represent a serious threat to endemic biota. The Argentine ant (Iridomyrmex humilis) has become established in portions of the high-elevation shrubland of Haleakala National Park, Maui, Hawaii, over the past 25 yr. This ecosystem lacks native ants but possesses many locally endemic and rare anthropod species. Pitfall trapping and under-rock surveys were conducted to determine the effects of I. humilis on the local arthropod fauna. More than 180 taxa were sampled, mostly Arthropoda. Presence of the Argentine ant is associated …