RE: The Regional Pokedex: Pokémon from previous generations in Kalos
They were pseudo exclusives in GSHGSS, where you only got one in the early routes and had to catch the other in the Bug Catching Contest. I could see them being version exclusive again.
zappy800 said:98Greener said:Caterpie in X, Weedle in Y.
Problem solved.
More likely they are in both since they are always together anyways unless you count yellow.
They were pseudo exclusives in GSHGSS, where you only got one in the early routes and had to catch the other in the Bug Catching Contest. I could see them being version exclusive again.