P Mariannus Threatened Species

P. mariannus is currently listed as a threatened species by the US Fish and Wildlife Service (2012), and as an endangered species by the International Union for the Conservation of Nature (IUCN) because its extent of occurrence is less than 5,000 square kilometers with all remaining individuals in fewer than 5 locations. Furthermore, the Convention on International Trade in Endangered Species (CITES) lists P. mariannus as an Appendix 1 species, meaning they are threatened with extinction. Its endangerment is due to a variety of factors such as deforestation, illegal hunting, killing as a crop pest, natural disasters, and destructive habits of invasive species (Bonaccorso,