My late great grandfather was a torah scholar, but with all his learning, he never knew that a caterpillar metamorphoses into a butterfly. He was amazed when someone told him about the common phenomenon. My question is, is this metamorphosis ever mentioned in torah literature, be it Tanach, Chazal, Rishonim, or Acharonim?
Iyov (27:18) discusses the ephemeral nature of a wicked person's success:
1 Likely, the word עָשׁ in Biblical usage can apply to the entire order Lepidoptera.