Utah has about 620 varied spider species, of which approximately 22 of them are unique. Some of the dangerous and deadly spiders that mostly inhabit the northern part of Utah include desert recluse, hobo, black widow, and golden huntsman.
Common Spiders: Southern
Black Widow (Latrodectus mactans),
Hobo (Eratigena agrestis) Woodlouse (Dysdera crocata), Golden Huntsman (Beregama aurea)
Largest Spiders: Hobo
(Eratigena agrestis), Woodlouse (Dysdera crocata)