# List of arachnids of Utah

This is a list of arachnids observed in the U.S. state of Utah. There are more than 600 species of arachnid in Utah.

## Mites

* Bindweed gall mite (Aceria malherbae)
* Clover mite (Bryobia praetiosa)
* Pearleaf blister mite (Eriophyes pyri)
* Poplar budgall mite (Eriophyes parapopuli)
* Pseudoscorpion (various)
* Red spider mite (Tetranychus urticae) - also called "two-spotted spider mite"
* Red velvet mite (thousands of species)
* Spruce spider mite (Oligonychus ununguis)
* Tomato russet mite (Aculops lycopersici)
* Western predatory mite (Galendromus occidentalis)

## Scorpions

* Arizona bark scorpion (Centruroides exilicauda)
* Beck desert scorpion (Paruroctonus becki)
* Black hairy scorpion (Hadrurus spadix)
* Eastern sand scorpion (Paruroctonus utahensis)
* Giant desert hairy scorpion (Hadrurus arizonensis)
* Northern scorpion (Paruroctonus boreus)
* Sawfinger scorpion (Serradigitus wupatkiensis)
* Wood scorpion (Anuroctonus phaiodactylus)
* Yellow ground scorpion (Vaejovis confusus)

## Spiders

* American grass spider (Agelenopsis spp.)
* American yellow sac spider (Cheiracanthium inclusum)
* Ant spider (Micaria pasadena)
* Ant spider (Micaria rossica)
* Antmimic spider (Meriola decepta )
* Banded orb weaving spider (Argiope trifasciata)
* Bold jumping spider (Phidippus audax)
* Bull-headed sac spider (Trachelas mexicanus)
* Camel spider (Ammotrechula spp.)
* Camel spider (Eremobates spp.)
* Carolina wolf spider (Hogna carolinensis)
* Cat-faced spider (Araneus gemmoides)
* Cellar spiders (Pholcus phalangioides) - also called "daddy long-legs"
* Crab spider (Bassaniana utahensis)
* Crab spider (Ebo merkeli)
* Crab spider (Ebo pepinensis)
* Crab spider (Mecaphesa spp.)
* Crab spider (Xysticus discursans)
* Crab spider (Xysticus emertoni)
* Crab spider (Xysticus facetus)
* Crab spider (Xysticus paiutus)
* Crab spider (Xysticus pellax )
* Eastern parson spider (Herpyllus ecclesiasticus)
* False black widow (Steatoda grossa)
* Flat-bellied ground spider (Callilepis mumai)
* Flattened crab spider (Philodromus histrio)
* Flattened crab spider (Philodromus imbecillus)
* Flattened crab spider (Philodromus satullus)
* Flattened crab spider (Philodromus spectabilis)
* Ground spider (Cesonia gertschi)
* Ground spider (Drassodes spp.)
* Ground spider (Drassyllus inanus)
* Ground spider (Drassyllus lepidus)
* Ground spider (Drassyllus mexicanus)
* Ground spider (Drassyllus nannellus)
* Ground spider (Gnaphosa californica)
* Ground spider (Gnaphosa clara)
* Ground spider (Gnaphosa dentata)
* Ground spider (Gnaphosa salsa)
* Ground spider (Gnaphosa saxosa)
* Ground spider (Gnaphosa sericata)
* Ground spider (Gnaphosa synthetica)
* Ground spider (Herpyllus cockerelli)
* Ground spider (Herpyllus convallis)
* Ground spider (Micaria nanella)
* Ground spider (Sergiolus lowelli)
* Hobo spider (Tegenaria agrestis)
* Huntsman spider (Olios fasciculatus)
* Huntsman spider (Olios giganteus)
* Jumping spider (Habronattus conjunctus)
* Jumping spider (Habronattus signatus)
* Jumping spider (Habronattus tarsalis)
* Jumping spider (Pelegrina verecunda)
* Jumping spider (Platycryptus arizonensis)
* Jumping spider (Salticus peckhamae)
* Jumping spider (Terralonus unicus)
* Mormon ant spider (Micaria mormon)
* Mormon ground spider (Drassyllus mormon)
* Running crab spider (Titanebo dondalei)
* Running crab spider (Titanebo magnificus)
* Sac spider (Castianeira nanella)
* Sac spider (Drassinella unicolor)
* Sac spider (Phrurotimpus borealis)
* Sac spider (Phrurotimpus nr. woodburyi)
* Salt Lake County brown tarantula (Aphonopelma iodius)
* Slender crab spider (Tibellus chamberlini)
* Slender crab spider (Tibellus duttoni)
* Striped lynx spider (Oxyopes scalaris)
* Texas running crab spider (Titanebo texanus)
* Utah crevice weaver (Kukulcania utahana)
* Utah ground spider (Gnaphosa utahana)
* Western black widow spider (Latrodectus hesperus)
* White-banded crab spider (Misumenoides formosipes)
* Wolf spider (Hogna spp.)
* Woodlouse spider (Dysdera crocata)

## Other

* Opiliones (harvestman, "daddy long-legs")
* Rocky Mountain wood tick (Dermacentor andersoni)
* Soft-bodied tick (Ornithodoros spp.)
* Spinose ear tick (Otobius megnini)