[__ Science __ ] Metamorphosis from Canadian Instar to Mexican Home

[Rockytopva]

The transformation from egg laid in Canada, caterpillar, several instars, to butterfly, then off with beautiful wings to Mexico!
https://monarchjointventure.org/monarch-biology/life-cycle/larva/guide-to-monarch-instars

 

[Rockytopva]

PhD's trying to figure out the biological clocks of butterflies. Come to find out they have two of them!