List of arachnids of Utah facts for kids

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

Clover mite

Red spider mite

• 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

Giant hairy scorpion under UV light

• 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

Western black widow spider

Bold jumping spider

Hobo spider

Salt Lake County brown tarantula

Wolf spider with spiderlings

Cellar spider (daddy long-legs)

• 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, or daddy-long-legs.

• Opiliones (harvestman, "daddy long-legs")
• Rocky Mountain wood tick (Dermacentor andersoni)
• Soft-bodied tick (Ornithodoros spp.) - suspected due to confirmation in all surrounding states, not confirmed in Utah
• Spinose ear tick (Otobius megnini)