If you're talking about the action of the transformation, it's called metamorphosis.
If you're talking about his name, it'd still be Wormy.
It is not closely related to either but a worm would be considered nearer.
First, the butterfly hatches as a worm. Then, the worm eats leaves to get fat, then it makes a cocoon. While in the cocoon, it transforms and goes through metamorphosis and soon emerges out of the cocoon as a butterfly.
The insect you are referring to is called a caterpillar, which transforms into a butterfly.
A butterfly is called a caterpillar in its early stage of development before it undergoes metamorphosis and transforms into a butterfly.
Worm+air= butterfly
Butterfly A caterpillar transforms into a butterfly.
First it spins a cocoon and turns to a jelly like thing which is called a pupa for about 2 weeks and then transforms into a butterfly.
During metamorphosis, a worm transforms into a butterfly inside a cocoon through four stages: egg, larva (caterpillar), pupa (chrysalis), and adult butterfly. The caterpillar forms a chrysalis around itself, where it undergoes a complete transformation, including the breakdown of its body and the development of wings and other adult features. Finally, the adult butterfly emerges from the chrysalis and begins its life cycle.
it transforms into a liquid then slowly becomes a beautiful butterfly.
The insect you are referring to is called a caterpillar.
the name that is given to a young butterfly is a caterpillar
air + worm = butterfly