Larva looks like a pile of poo.


	Larva looks like a pile of poo.

coconutshell

3-13-2008 4:19 AM

473 views

tags:

insects, animals, nature, camouflage, butterfly, disguise, poo

coconutshell says:

Fascinating!!! This by far surpasses the whole Ugly Duckling story.....

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3-13-2008 1:01 PM

thisnamecantbetaken

I've always thought metamorphosis was such a fascinating and excitingly 'magical' phenomenon. Nature is absolutely fantastic.

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<B>February 21, 2007—</B>This larval swallowtail butterfly's clever disguise (left) is literally a load of crap.
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In its larval stages, the Asian swallowtail—also known as the Chinese or Japanese yellow swallowtail—mimics the appearance of bird droppings to prevent predators from gobbling it up. 
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In its last phase of development, the insect turns green (right) to blend into the leaves on which it lives.
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A new study shows that a single juvenile hormone is responsible for switching on and off the "spectacular diversity" of the caterpillar's colors, Japanese researchers say. 
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"[Juvenile hormone] has been known to be involved in molt, metamorphosis, and some other events," study co-author Haruhiko Fujiwara of the University of Tokyo told National Geographic News in an email.
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"But in this report, we found that [the hormone] regulates pattern change, which is an original finding."
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The substance also has the power to shape the caterpillar's texture and pigment distribution, enhancing its disguise.
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