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Mutualisms between ants and treehoppers are so effective that sometimes multiple species can occur together on the same plant without conflicts. Here, a Myrmecaria ant worker tends to a short-horned Tricentrus sp., while an extravagantly adorned Pyrgauchenia biuni feeds nearby. Both of these treehoppers feed on the plant phloem, tapping into the stem with their proboscis, and secrete excess sugary fluid which the ants gather. In return the ants not only fiercely protect the treehoppers from predators, but sometimes also assist in distributing the young hoppers to suitable branches on the host stem. Sarawak, Malaysia (Borneo).

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© Chien C. Lee
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Keywords
Contained in galleries
Borneo, Insects, Mutualisms
Mutualisms between ants and treehoppers are so effective that sometimes multiple species can occur together on the same plant without conflicts. Here, a Myrmecaria ant worker tends to a short-horned Tricentrus sp., while an extravagantly adorned Pyrgauchenia biuni feeds nearby. Both of these treehoppers feed on the plant phloem, tapping into the stem with their proboscis, and secrete excess sugary fluid which the ants gather. In return the ants not only fiercely protect the treehoppers from predators, but sometimes also assist in distributing the young hoppers to suitable branches on the host stem. Sarawak, Malaysia (Borneo).