That’s a good question. Here’s the scientific explanation: In most cases a butterfly does come from a chrysalis, but not all. There’s a rare genus called Parnassian, that pupates in a cocoon. These butterflies live in the Pacific Northwest, in Siberia, and as far away as North Korea and the northern islands of Japan. And … Continue reading Many of you ask, why the butterfly in The Very Hungry Caterpillar comes from a cocoon, not a chrysalis?