butterflies do not hybernate
Butterflies have complete metamorphosis and grasshoppers have incomplete metamorphosis.
spore formation occurs in between meiosis and gamete formation.
They are both insects although one is social in many species, but their life-cycle is otherwise very similar - egg, grub, pupa, adult. Depending on species, one cycle can be from a few weeks to many...
egg: about 20 days, larva: up to 9 months, pupa: 2 weeks