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If you leave it there, and nothing else comes along and eats it, then eventually the bottom of the cocoon opens up and a moth or a butterfly struggles out. It sits in the air for a while drying out, then it flys away. If it's a moth, it lays eggs, never eats, and dies.

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13y ago
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10y ago

i have 4 silkworms

they are now pupa

if they turn dark brown, dark red, or dark green, it is probably dead

if they turn clear or a darkish color, they are about ready to emerge

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14y ago

When the cocoon starts turning a brownish color, it means the Caterpillar has been deceased. Normally the cocoon starts falling apart as well.

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Q: How do you know if the caterpillar in its cocoon is dead?
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