It commonly infests sheep, and cattle are infrequently infested. Unlike most ambrosia beetles, it infests healthy, undamaged trees. The Salmon louse currently infests nearly half of Scotland's salmon farms. This weevil usually infests palms younger than twenty years. A known parasite is the tapeworm "Lithobothrium gracile", which infests the shark's spiral valve intestine. The deathwatch beetle infests the structural timbers of old buildings, mostly attacking hardwood, especially oak. "Acarapis woodi", the tracheal mite, infests the trachea of honey bees. "Ascosphaera apis" causes a fungal disease that infests the gut of the larvae. "Baylisascaris columnaris" is the species that infests skunks most commonly. Liponyssoides sanguineus is a species of mite that infests the house mouse ("Mus musculus"). A multitude of garden gnomes infests the garden of the Burrow. It also infests domestic fowl and can spread to humans handling fowl. In the Caribbean, this species also infests banana plants, heliconias and gingers. It infests ornamental plants, including indoor plants, and it is common in greenhouses. Its closest relative, "Pintobdella chiapasensis", is native to Mexico, where it infests tapirs.