Pest (organism) Pest (organism) A pest is an animal or plant detrimental to humans or human concerns including crops, livestock, and forestry. The term is also used of organisms that cause a nuisance, such as in the home. An older usage is of a deadly epidemic disease, specifically plague. In its broadest sense, a pest is a competitor of humanity. A pest is any living organism, whether animal, plant or fungus, which is invasive or troublesome to plants or animals, human or human concerns, livestock, or human structures. It is a loose concept, as an organism can be a pest in one
Rust monster armor, four mammal-like legs, two long antennae and a scaly prehensile tail ending in what appears to be a propeller. In this edition, the rust monster consumed all metal, although it still preferred ferrous metals over copper, gold or platinum. It had no bite, tail or claw attack, but the rust monster could smell metal from 90 feet away, and with an increase to its already rapid speed—it now moved six times faster than the average character—it would rapidly close and attempt to touch its antennae to metal, thereby causing the object to instantly corrode. (Magical weapons had a small