A new kind of interaction between plants and ants was found by researchers after they examined the Singapore rhododendron, the first flower discovered to attract weaver ants. The interaction remains a mystery since plants commonly produce chemicals to repel insects that attack their pollinators. Researchers believe that the flower manipulates the ants' behavior to fend off poor pollinators, such as solitary bees, and lure efficient pollinators such as carpenter bees.

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New Scientist

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