Tags: Disease.
Latrodectism is the illness caused by the bite of the black widow spider and related species. Pain muscle rigidity vomiting and sweating are the hallmarks of latrodectism. Contrary to popular conception it is not fatal. The illness is named for the genus Latrodectus to which black widows belong.There are several spider species all named black widow: Southern black widow spider (L. mactans) the European black widow (L.