Spiders in Utah

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)

Highly Venomous Spiders

Sicariidae

• Desert Recluse (Loxosceles deserta)
• Brown Recluse (Loxosceles reclusa)

Cobweb (Theridiidae)

• Southern Black Widow (Latrodectus mactans)

Wolf (Lycosidae)

• Carolina Wolf (Hogna carolinensis)
• Hogna coloradensis

Less Venomous Spiders

Orb-weaver (Araneidae)

• Banded Garden (Argiope trifasciata)
• Western Spotted Orb-weaver (Neoscona oaxacensis)
• Two Spotted Orb-weaver (Asagena americana)
• Cyclosa turbinata

Jumping (Salticidae)

• Platycryptus californicus
• Bold Jumper(Phidippus audax)

Spitting (Scytodidae)

• Scytodes thoracica

Ground (Gnaphosidae)

• Sergiolus montanus

Cobweb (Theridiidae)

• Steatoda grandis
• Triangulate Cobweb (Steatoda triangulosa)

Funnel Weaver (Agelenidae)

• Barn Funnel Weaver (Tegenaria domestica)

Crab (Thomisidae)

• Goldenrod Crab (Misumena vatia)
• Utah Crab (Bassaniana utahensis)

Huntsman (Sparassidae)

• Golden Huntsman (Beregama aurea)

Prowling (Miturgidae)

• Long-legged Sac (Cheiracanthuim mildei)

Wolf (Lycosidae)

• Hogna antelucana
• Geolycosa rafaelana
• Arctosa alpigena