Near the top of that list is the New
Zealand flatworm, a relative newcomer to Ireland's shores, which feeds on native earthworms that provide important ecosystem services as well as currying favor with farmers for enhancing the fertility and drainage of agricultural soils.
There are enough troublesome pests in Ireland today, such as the introduced New
Zealand flatworm, which people would like to send on its merry way with some modern - day St. Patrick - style sorcery.