Re:Six-Legged Giant Finds Secret Hideaway, Hides For 80 Years
by bh42222 on Thursday March 01, 2012 @11:03AM
(#3652615)
I think the way it works for most most (maybe even all) insects is to use air to blow themselves up much like a balloon to get out of the egg or cocoon.
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Re:Six-Legged Giant Finds Secret Hideaway, Hides For 80 Years
by michaelcampbell on Friday March 02, 2012 @08:24AM
(#3656465)
where does this air come from; is the cocoon/egg not airtight?
Re:Six-Legged Giant Finds Secret Hideaway, Hides For 80 Years
by bh42222 on Friday March 02, 2012 @10:29AM
(#3656874)
While an egg or cocoon might be airtight, it must also still remain air permeable. Everything must be able to breathe. So while there might not be a visible flow of air, like through an open window, oxygen and CO2 still make their way in and out all the time.
Also initially the insect might break the egg/cocoon open without extra air, just by simple mechanics, but once it's out it starts to pump air into itself.