When they start eating, they instantly start growing and expanding.Their exoskeleton (skin) does not stretch or grow, so they grow by molting (sheding the outgrown skin) several times while it grows.
The coolest thing about butterfly eggs, especially monarch butterfly eggs, is that if you look close enough you can actually see the tiny caterpillar growing inside of it.
Some butterfly eggs may be round, some oval and some may be ribbed while others may have other features.
When in the fourth and final stage of their lives, adult butterflies are constantly on the look out to reproduce and when a female lays their eggs on some leaves, the butterfly life cycle will start all over.
There are many different ways that you can catch this miracle happen right before your eyes, for instance, there are live butterfly kits that come with caterpillars so you can see this amazing transformation right in front of you!
When the egg finally hatches, most of you would expect for a butterfly to emerge, right? In the butterflys life cycle, there are four stages and this is only the second stage.
Butterfly larvae are actually what we call caterpillars.
From the outside of the pupa, it looks as if the caterpillar may just be resting, but the inside is where all of the action is.
Inside of the pupa, the caterpillar is rapidly changing.
When the butterfly first emerges from the chrysalis, both of the wings are going to be soft and folded against its body.
This is because the butterfly had to fit all its new parts inside of the pupa.