Peoples fascination with butterflies has a lot to do with the stages of their metamorphoses. The best known of the stages are the egg - caterpillar - cocoon - butterfly.
It symbolizes the fantastic survival skills of this species in extreme geological and climatical changes or disasters. At least at one of the stages it will have the ability to survive. A genius program for the propagation of this species.
Butterflies are also optically fascinating. Perfect camouflage can suddenly explode and shock with aggressive and loud colours when an butterfly opens its wings.