Chien C. Lee

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  • Crematogaster inflata, a conspicuous ant with aposematic coloration. The swollen orange metathorax can secrete a sticky substance as a defensive chemical when the ant is disturbed. Kubah National Park, Sarawak, Malaysia (Borneo).
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  • The size of your gun doesn’t matter when you’re outnumbered. Although in possession of one of the most powerful stings of all insects, this giant Bullet Ant (Paraponera clavata) is easily overcome by far smaller leafcutter ants (Atta cephalotes) after it inadvertently wandered too close to their nest. Leafcutters are not predatory, but their sharp mandibles, which are designed for slicing leaves, are so powerful that they make quick work of the intruder, dismembering it in a matter of minutes. Limón, Costa Rica.
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  • With over 700 described species, the ant diversity of Borneo is extraordinarily rich. Although many ants defend themselves with toxic compounds or painful stings, some such as this species (Meranoplus mucronatus) are protected by sharp spines to deter predators. This group of workers is attending to a herd of extremely small planthopper nymphs, from which they take secreted honeydew. Deramakot Forest Reserve, Sabah, Malaysia (Borneo).
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  • With over 700 described species, the ant diversity of Borneo is extraordinarily rich. Although many ants defend themselves with toxic compounds or painful stings, some such as this species (Meranoplus mucronatus) are protected by sharp spines to deter predators. This group of workers is attending to a herd of extremely small planthopper nymphs, from which they take secreted honeydew. Deramakot Forest Reserve, Sabah, Malaysia (Borneo).
    cld1929834.jpg
  • Marauder Ants (Carebara affinis) attacking a beetle grub. The minor workers are assisted by their larger sisters, the majors and super-majors, which use their powerful mandibles to cut the grub into smaller pieces. Sarawak, Malaysia (Borneo).
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  • Ants (Crematogaster sp.) tending to a butterfly caterpillar (Spindasis sp.). Sarawak, Malaysia (Borneo).
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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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  • Although many small insects disguise themselves as ants to take advantage of their unpalatability, mimicry by another ant species is quite a rare occurrence. At a quick glance the two ants in this photo appear the same, especially while they are quickly scurrying down a stem, but closer inspection reveals that in fact there is a clever deception taking place. The ant at the bottom is Crematogaster inflata, an uncommon species from the rainforests of Borneo, which is distinctive in having a swollen orange metathorax. Its glands can exude a toxic sticky fluid as a defense and predators thus tend to avoid this species, heeding its bright warning coloration. At top is a relatively harmless Camponotus ant (actually an unnamed species) that mimics the Crematogaster in size, shape, and color - although its orange coloration is found on its abdomen rather than its thorax.  Observations of this species are rare but curiously, these Camponotus mimics have only ever been observed in close proximity to colonies of Crematogaster inflata. The exact nature of their association and whether or not these mimics derive other advantages from their toxic models is still unknown. Sarawak, Malaysia (Borneo).
    cld1910872.jpg
  • Marauder Ants (Carebara affinis) attacking a beetle grub. The minor workers are assisted by their larger sisters, the majors and super-majors, which use their powerful mandibles to cut the grub into smaller pieces. Sarawak, Malaysia (Borneo).
    cld08031984.jpg
  • Leaf-cutter Ants (Atta laevigata) return to their nest carring sections of leaves which will be used to feed their underground fungus gardens. Canaima National Park, Venezuela.
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