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News Release 09-173
Invasive Species on the March: Variable Rates of Spread Set Current Limits to Predictability
Unknowns may place more species at risk in a changing climate
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![These red flour beetles are pictured on the wheat they eat and are often found near.](/news/mmg/media/images/invasive3_f.jpg)
These red flour beetles are pictured on the wheat they eat and are often found near.
Credit: USDA
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Scientists have studied red flour beetles to learn more about how invasive species spread.
Credit: Brett Melbourne
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