Despite the confusion, the brown recluse spider is real and, for people who live in southern California and other ... unique ...

There are several species of widow spiders in the United States, including the northern and southern black widow ... appear to be spreading north through California. Brown widow spiders like ...

The population of the large, brightly colored invasive species called the Joro spider has been growing in parts of the southern and eastern U.S. for years, and some researchers think it's only a ...

When this happens, as with Steatoda nobilis in southern California ... clavata population is and whether the spider is likely to compete with native species. The vibrant new arrival does have ...