A caterpillar may stay in there as long as 4-9 days average
a butterfly stays in a cocoon for a month i would know because i am the presedent
a month or a little bit more
my anwer is they stay in there coocoons for a spring
Silkworms are the larva of a moth (Bombyx mori) native to Asia that spins a cocoon of fine, strong, lustrous fiber that is the source of commercial silk. The culture of silkworms is called...