Hey ! :) Hope my answer i posted below helps you out, have a good day ! :)
One factor is that the invasive species are either harming or are going to harm the species that are already there. And a second is that they ar e unfamiliar with their surroundings so they might take other organisms homes and or shelters.Abrupt deaths of some moth populations, emigration of some moths, sudden deaths or emigration of predators, increase in food sources
