Name: Glen Ingram Macleay Is, Qld, Australia (Zone 12a) (Lee Reinke X Rose F Kennedy) X Unk
That is interesting. I wonder if the same here with are introduced Cabbage Whites. Incidentally, Monarchs are self introduced here. But they didn't get completely established until milkweed was introduced.
The problem is that when you are young your life it is ruined by your parents. When you are older it is ruined by your children.