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Metamorphis – Life Cycle of Butterflies
Eggs are first stage They are tiny,
sometimes microscopic
Laid on the underside of host plant leaves
Hatching predetermined by time eggs are laid
Caterpillars – The Feeding Stage
Minute, some virtually invisible to naked eye
Coloration of caterpillar is quite diverse
Job of caterpillar is to eat, eat, eat Caterpillars must shed skin several
times, each shedding called an instar
Can multiply in size more than a thousand fold
When final instar occurs, pupa emerges
Pupa - The Transition Stage
Transformation in pupa stage is miraculous
What emerges in no way resembles the caterpillar
Complete disassembly of the cells and reassembling of cells into new form
The butterfly emerges from this stage
Adult Butterfly – The Reproductive Stage
Upon emerging, the swollen body pumps fluid into tiny shrived up wings
Within a few hours, wings are full sized, dried, and become more rigid
Butterflies are ready to take flight The job of the adult is to mate
and lay eggs Most live only one or two weeks
All photographs courtesy of The Academy of Natural Sciences http://www.ansp.org/museum/butterflies/life_cycle.php