Not many people know, how beautiful moths can be, since most moths fly only by night.* Here is a compilation of moths and their caterpillars:
* The distinction between moths and butterflies is not a very good one, because both groups contain species that fly by day. The other characteristic is, how they fold their wings. But there are groups among moths that fold their wings exactly like butterflies and vice versa. So, they are actually the same (Lepidoptera).
The Arctiinae (Tiger Moths, Woolly Bears) generate most spectacular colors. Additionally they are a group, where both adults and caterpillars are often equally beautiful.
and a small one: Miltochrista miniata
Caterpillars: Arctia caja
even the eggs look special: