There is a thermal threshold associated with the possibility of flight.
A shadow could trigger us.
The chrysalis case bursts.
First come the antennae and the head, then the insect draws out the rest of its body, and it clings with its legs to the case.
As a general rule, the ones in bright colours are either poisonous or are mimics of a poisonous one.
The story is nearly
We cannot be sure who is advertising this fact and what they want us to buy or even who is selling what except the very rich.