TRENTO, Italy -- In a lush greenhouse high in the Alps, butterflies of various species and colors flutter freely while butterfly pupae are suspended in a structure as they grow into adult insects.
I talked about your question with my friend Allan Felsot. He’s an insect scientist at Washington State University. He told me cocoons are mostly silk. But they’re usually made by moths. A butterfly ...
The butterfly life cycle is a four-stage process of complete metamorphosis: egg, larva, pupa, and adult butterfly.
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