List of arachnids of Utah

This is a list of arachnids observed in the U.S. state of Utah.

Western black widow spider

Bold jumping spider

Cellar spider (daddy long-legs)

Clover mite

Giant hairy scorpion under UV light

Red spider mite

Hobo spider

Salt Lake County brown tarantula

Wolf spider with spiderlings

American grass spider (Agelenopsis spp.)[1]
American yellow sac spider (Cheiracanthium inclusum)[1]
Ant spider (Micaria pasadena)[2]
Ant spider (Micaria rossica)[2]
Antmimic spider (Meriola decepta )[2]
Arizona bark scorpion (Centruroides exilicauda)[3]
Banded orb weaving spider (Argiope trifasciata)[1]
Beck desert scorpion (Paruroctonus becki)[3]
Bindweed gall mite (Aceria malherbae)[1]
Black hairy scorpion (Hadrurus spadix)[3]
Bold jumping spider (Phidippus audax)[1]
Bull-headed sac spider (Trachelas mexicanus)[2]
Camel spider (Ammotrechula spp.)[1]
Camel spider (Eremobates spp.)[1]
Carolina wolf spider (Hogna carolinensis)[4]
Cat-faced spider (Araneus gemmoides)[1]
Cellar spiders (Pholcus phalangioides) - also called "daddy long-legs"[1]
Clover mite (Bryobia praetiosa)[1]
Crab spider (Bassaniana utahensis)[1]
Crab spider (Ebo merkeli)[2]
Crab spider (Ebo pepinensis)[2]
Crab spider (Mecaphesa spp.)[1]
Crab spider (Xysticus discursans)[2]
Crab spider (Xysticus emertoni)[2]
Crab spider (Xysticus facetus)[2]
Crab spider (Xysticus paiutus)[2]
Crab spider (Xysticus pellax )[2]
Eastern parson spider (Herpyllus ecclesiasticus)[2]
Eastern sand scorpion (Paruroctonus utahensis)[3]
False black widow (Steatoda grossa)[1]
Flat-bellied ground spider (Callilepis mumai)[2]
Flattened crab spider (Philodromus histrio)[2]
Flattened crab spider (Philodromus imbecillus)[2]
Flattened crab spider (Philodromus satullus)[2]
Flattened crab spider (Philodromus spectabilis)[2]
Giant desert hairy scorpion (Hadrurus arizonensis)[3]
Ground spider (Cesonia gertschi)[2]
Ground spider (Drassodes spp.)[1]
Ground spider (Drassyllus inanus)[2]
Ground spider (Drassyllus lepidus)[2]
Ground spider (Drassyllus mexicanus)[2]
Ground spider (Drassyllus nannellus)[2]
Ground spider (Gnaphosa californica)[2]
Ground spider (Gnaphosa clara)[2]
Ground spider (Gnaphosa dentata)[2]
Ground spider (Gnaphosa salsa)[2]
Ground spider (Gnaphosa saxosa)[2]
Ground spider (Gnaphosa sericata)[2]
Ground spider (Gnaphosa synthetica)[2]
Ground spider (Herpyllus cockerelli)[2]
Ground spider (Herpyllus convallis)[2]
Ground spider (Micaria nanella)[2]
Ground spider (Sergiolus lowelli)[2]
Hobo spider (Tegenaria agrestis)[1]
Huntsman spider (Olios fasciculatus)[1]
Huntsman spider (Olios giganteus)[2]
Jumping spider (Habronattus conjunctus)[2]
Jumping spider (Habronattus signatus)[2]
Jumping spider (Habronattus tarsalis)[2]
Jumping spider (Pelegrina verecunda)[2]
Jumping spider (Platycryptus arizonensis)[2]
Jumping spider (Salticus peckhamae)[2]
Jumping spider (Terralonus unicus)[2]
Mormon ant spider (Micaria mormon)[2]
Mormon ground spider (Drassyllus mormon)[2]
Northern scorpion (Paruroctonus boreus)[3]
Pearleaf blister mite (Eriophyes pyri)[1]
Poplar budgall mite (Eriophyes parapopuli)[1]
Pseudoscorpion (various)[1]
Red spider mite (Tetranychus urticae) - also called "two-spotted spider mite"[5]
Rocky Mountain wood tick (Dermacentor andersoni)[1]
Running crab spider (Titanebo dondalei)[2]
Running crab spider (Titanebo magnificus)[2]
Sac spider (Castianeira nanella)[2]
Sac spider (Drassinella unicolor)[2]
Sac spider (Phrurotimpus borealis)[2]
Sac spider (Phrurotimpus nr. woodburyi)[2]
Salt Lake County brown tarantula (Aphonopelma iodius)[4]
Sawfinger scorpion (Serradigitus wupatkiensis)[3]
Slender crab spider (Tibellus chamberlini)[2]
Slender crab spider (Tibellus duttoni)[2]
Soft-bodied tick (Ornithodoros spp.) - suspected due to confirmation in all surrounding states, not confirmed in Utah[1]
Spinose ear tick (Otobius megnini)[1]
Spruce spider mite (Oligonychus ununguis)[1]
Striped lynx spider (Oxyopes scalaris)[1]
Texas running crab spider (Titanebo texanus)[2]
Tomato russet mite (Aculops lycopersici)[1]
Utah crevice weaver (Kukulcania utahana)[1]
Utah ground spider (Gnaphosa utahana)[2]
Western black widow spider (Latrodectus hesperus)[4]
White-banded crab spider (Misumenoides formosipes)[1]
Wolf spider (Hogna spp.)[1]
Woodlouse spider (Dysdera crocata)[4]
Wood scorpion (Anuroctonus phaiodactylus)[3]
Yellow ground scorpion (Vaejovis confusus)[3]

References

"Top 20 Arachnids". Utah State University Extension Service. Archived from the original on May 22, 2017. Retrieved May 22, 2017.
"The Spiders of the Arid Southwest - Taxonomic Section - Entelegynae (page 3)". New Mexico State University College of Agricultural, Consumer and Environmental Sciences. Archived from the original on May 22, 2017. Retrieved May 22, 2017.
"Utah Pests Fact Sheet: Scorpions". Utah State University Extension Service. Archived from the original (PDF) on May 22, 2017. Retrieved May 22, 2017.
"Bugs of Utah". Natural History Museum of Utah. Archived from the original on May 20, 2017. Retrieved May 20, 2017.
"Spider Mites". Utah State University Extension Services. Archived from the original on May 20, 2017. Retrieved May 20, 2017.

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[usu-top-20-arachnids-1] "Top 20 Arachnids". Utah State University Extension Service. Archived from the original on May 22, 2017. Retrieved May 22, 2017.

[nmsu-entelegynae-page-3-2] "The Spiders of the Arid Southwest - Taxonomic Section - Entelegynae (page 3)". New Mexico State University College of Agricultural, Consumer and Environmental Sciences. Archived from the original on May 22, 2017. Retrieved May 22, 2017.

[usu-scorpion-facts-3] "Utah Pests Fact Sheet: Scorpions". Utah State University Extension Service. Archived from the original (PDF) on May 22, 2017. Retrieved May 22, 2017.

[nhmu-bugs-4] "Bugs of Utah". Natural History Museum of Utah. Archived from the original on May 20, 2017. Retrieved May 20, 2017.

[t-urticae-5] "Spider Mites". Utah State University Extension Services. Archived from the original on May 20, 2017. Retrieved May 20, 2017.