It is waste. It is not harmful. Do Not Worry!!
The length of the cocoon stages depends on the type of caterpillar. For Monarch butterflies it is 10 days long.
The butterfly's pupa stage is spent inside a cocoon
If The Cocoon Falls Down
First, the butterfly hatches as a worm. Then, the worm eats leaves to get fat, then it makes a cocoon. While in the cocoon, it transforms and goes through metamorphosis and soon emerges out of the cocoon as a butterfly.
A butterfly`s is called a chrysalis a moth`s is a cocoon.
Egg Caterpillar Cocoon Butterfly
depends on the type of butterfly. I have painted butterflies and there cocoon is about 2 in. where as a monach butterfly is considerably bigger.
If you disturb a butterfly cocoon, it can kill the growing insect inside. It is important to leave the cocoon alone to let it develop naturally.
butterfly
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A cocoon is a head like yours .... a sentence is i have a cocoon head
when you see a cocoon, check closely.is it opened? yes or no?If yes, it means the butterfly left. If no, it hasn't left.