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Carnivorous Plants Employ Bodyguard Ants

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posted on May, 10 2012 @ 02:42 AM
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news.yahoo.com...


The carnivorous pitcher plant Nepenthes bicalcarata dwells in the nutrient-poor peat swamp forests of Borneo. It is not a very effective carnivore by itself — its pitcher-shaped leaves lack the slippery walls and viscous, elastic and strongly corrosive fluid that make those of its relatives such effective deathtraps.


Dosent seem like an effective carnivorous plant at first, but....


However, N. bicalcarata does apparently have unusual support on its side — the ant Camponotus schmitzi. The carnivorous plant has swollen tendrils at the base of each pitcher that serve as homes for the insects, and a food source in the form of nectar secreted on the pitcher rims.



In return, the ants apparently provide a host of services for the pitcher plants. They clean the pitcher mouth to keep it slippery enough to help catch prey. They attack weevils that would otherwise munch on the plant. They cart off the remains of large prey from the pitchers that would otherwise rot. They lie in ambush under pitcher rims and systematically attack any of the plant's prey that attempt to escape the traps. And their droppings fertilize the plants.


Apparently, it has been thought that the ants were the main benefactors of this plant-ant alliance although there wasnt sufficient evidence.


Still, while it seemed that both pitcher plants and ants benefited from this alliance, investigators lacked hard evidence. It could be the case that only the ants profited.



Now scientists have compared both ant-inhabited and uninhabited plants, finding those with ants fared much better than ones without.



The carnivorous plants with ants produced more and larger leaves, and their adult foliage was also three times as rich in nitrogen, the nutrient that is key to organic molecules such as proteins and DNA. Plants with ants also had more and larger pitchers — likely in part because the ants kept away weevils that would have chewed on pitcher buds — and their pitchers held greater masses of prey. Nitrogen isotope analyses demonstrated that ant droppings fertilized the plants. Analysis of leaf pigment also revealed that without the ants, plants displayed symptoms of nutrient deprivation.


Not sure how interesting this is to many people, but I find this ant-plant alliance pretty cool. Ive always had an interest in most insects since I was young, and also had a big interest in carnivorous plants while younger to. (I used to have my own Venus Flytraps as pets....)




posted on May, 10 2012 @ 03:42 AM
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I always been very interested in Brunei and Borneo the rainforest would be an amazing place to visit to bear witness to such beautiful life such as these pitcher plants and other creatures. I starred you for this as again I love stuff like this thank you for bringing this across my iPhone



posted on May, 10 2012 @ 03:47 AM
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This is interesting and all, but two species working together for the benefit of one another is quite common.



posted on May, 10 2012 @ 05:02 AM
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Symbiosis
is the word.

Nice find OP, first time I heard of this kind.



posted on May, 10 2012 @ 12:06 PM
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Cool thread

A mutual relationship by two very different creatures.



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