A subgroup of air-breathing, terrestrial (land) arthropods, spiders are not actually insects but rather belong to the Class Arachnida (a.k.a. arachnid). Besides spiders, other arachnids include ...

The Joro spider, an invasive species from Asia, has been spotted in several U.S. states, including Tennessee. Female Joro spiders can grow to be the size of a human palm, while males are significantly ...