Summary
In the southeast United States, the invasive ant Solenopsis invicta is known to derive important carbohydrate (honeydew) resources from mealybugs utilizing grasses. Most important appears to be an invasive mealybug, Antonina graminis. We studied whether this mealybug and a similar native species also benefit from association with S. invicta. We found that mealybug occurrence increases significantly with increasing proximity to S. invicta mounds, suggesting that mealybugs benefit as well. Mutual benefits derived by S. invicta and A. graminis are consistent with a hypothesis proposing that associations among invasive species can be important in their success at introduced locations.
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Helms, K.R., Vinson, S.B. Apparent facilitation of an invasive mealybug by an invasive ant. Insectes Soc. 50, 403–404 (2003). https://doi.org/10.1007/s00040-003-0702-4
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DOI: https://doi.org/10.1007/s00040-003-0702-4