Threatened arthropods United States, and IUCN Red List for international purposes. Only a tiny fraction of the planet's endangered arthropods are formally recognized as such, as no one has ever evaluated the conservation status of the vast majority of arthropod species. It is difficult to estimate the total number of endangered arthropod species, since many of the taxa themselves have not been recorded. For example, in North America the estimated number of insect species exceeds 163,000, of which only about two thirds are taxonomically known. An even greater discovery awaiting, over 72 percent of North American arachnids are yet to be named
Arthropods in film be cathartic and liberating to the general public. Big bug films may symbolize sexual desire. Margaret Tarrat says in her article "Monsters of the id" that "[Big bug movies] arrive at social comment through a dramatization of the individual's anxiety about his or her own repressed sexual desires, which are incompatible with the morals of civilized life." By this theory, gigantic swarming insects could represent the huge, torrential—but repressed due to the demands of society—sexual desires possessed by the creator and viewer of the Big Bug movie. On gigantic arthropods, Charles Q. Choi stated that, if the atmosphere had a