Spiders in Utah
Utah has 97 spider species on record, each with at least 10 GBIF records in the state, and 2,427 licensed records in all. The most recorded are the bold jumper, the western spotted orbweaver and the western black widow. Medically significant: the western black widow.
Widow spiders in Utah
One species of this group is listed for Utah: the western black widow, with 149 records (6% of the state's spider records).
Observation records of the western black widow in Utah run mostly April through October, peaking in August; most licensed records come from Salt Lake County, Utah County and Grand County.
Jumping spiders in Utah
Jumping spiders dominate the spider record of Utah: 33 species and 28% of all records. The most recorded is the bold jumper (204), ahead of the zebra spider (124).
Plus 21: Desert red jumping spider, Hairy tufted jumping spider, Hirsute paradise spider, Minute jumping spider, Phidippus nikites, Phidippus octopunctatus, Salticus peckhamae, Buttonhook leafbeetle jumping spider, Colonus hesperus, Phidippus asotus, Brilliant jumping spider, Habronattus americanus, Metaphidippus siticulosus, Oregon paradise jumping spider, Phidippus californicus, Habronattus clypeatus, Black-marked jumping spider, Asian wall jumper, Attinella dorsata, Bronze jumper, Pelegrina balia.
Observation records of the bold jumper in Utah run mostly April through October, peaking in April; most licensed records come from Salt Lake County, Utah County and Davis County. Observation records of the zebra spider in Utah run mostly April through September, peaking in May; most licensed records come from Salt Lake County, Utah County and Davis County. Observation records of the California flattened jumping spider in Utah run mostly April through September, peaking in June; most licensed records come from Salt Lake County, Utah County and Box Elder County.
Wolf spiders in Utah
Wolf spiders are a small part of the spider record here: twelve species with 2% of records between them. The most recorded is the Koch's wolf spider (8), ahead of the McCook's split wolf spider (7).
Related species: Pardosa saxatilis
Related species: Pardosa saxatilisRelated species: Pardosa saxatilisOrb weavers in Utah
Orb weavers: ten species are listed for Utah, with 278 records (11% of the state's spider records). The most recorded is the western spotted orbweaver (187), ahead of the banded garden spider (37).
Observation records of the western spotted orbweaver in Utah run mostly July through September, peaking in August; most licensed records come from Davis County, Utah County and Salt Lake County. Observation records of the banded garden spider in Utah run mostly July through October, peaking in September; most licensed records come from Washington County, Tooele County and Grand County.
Long-jawed orb weavers in Utah
One species of this group is listed for Utah: the versicolor long-jawed orbweaver, with 0 records (0% of the state's spider records).
Fishing and nursery web spiders in Utah
One species of this group is listed for Utah: the dock spider, with 1 record (under 0.1% of the state's spider records).
Tarantulas in Utah
Tarantulas are a small part of the spider record here: two species with 3% of records between them. The most recorded is the Bay Area blonde (64), ahead of the Arizona black (1).
Observation records of the Bay Area blonde in Utah run mostly July through November, peaking in August; most licensed records come from Washington County, Salt Lake County and Iron County.
Crab spiders in Utah
Crab spiders are a small part of the spider record here: seven species with 2% of records between them. The most recorded is the goldenrod crab spider (25), ahead of the montane crab spider (9).
Cobweb spiders in Utah
Cobweb spiders are a small part of the spider record here: four species with 2% of records between them. The most recorded is the triangulate bud spider (40), ahead of the twospotted cobweb spider (7).
Observation records of the triangulate bud spider in Utah run mostly April through October, peaking in August; most licensed records come from Salt Lake County, Utah County and Davis County.
Funnel weavers and grass spiders in Utah
Funnel weavers and grass spiders are a small part of the spider record here: four species with 2% of records between them. The most recorded is the barn funnel weaver (24), ahead of the hobo spider (11).
Genus Calilena, species not shown
Lynx spiders in Utah
One species of this group is listed for Utah: the western lynx spider, with 20 records (0.8% of the state's spider records).
Sheetweb and dwarf spiders in Utah
One species of this group is listed for Utah: the sierra dome spider, with 1 record (under 0.1% of the state's spider records).
Ground and sac spiders in Utah
Ground and sac spiders are a small part of the spider record here: eleven species with 1% of records between them. The most recorded is Castianeira occidens (8), ahead of Callilepis mumai (6).
Related species: Callilepis pluto
Related species: Zelotes fratris
Related species: Gnaphosa muscorum
Related species: Phrurotimpus borealis
Other spiders in Utah
Other spiders: nine species are listed for Utah, with 83 records (3% of the state's spider records). The most recorded is Dysdera crocata (39), ahead of Neoanagraphis pearcei (20).
Related species: Neoanagraphis chamberlini
Related species: Psilochorus utahensisObservation records of Dysdera crocata in Utah run mostly March through October, peaking in April; most licensed records come from Salt Lake County, Utah County and Tooele County.
Where in Utah are spiders recorded most?
Salt Lake County dominates: 25% of the state's licensed spider records come from it alone, and the top five counties hold 67%. 29 of Utah's 29 counties have at least one licensed spider record.
| # | County | Records | Share |
|---|---|---|---|
| 1 | Salt Lake County | 618 | 25.5% |
| 2 | Weber County | 292 | 12.0% |
| 3 | San Juan County | 256 | 10.5% |
| 4 | Washington County | 239 | 9.8% |
| 5 | Davis County | 220 | 9.1% |
| 6 | Tooele County | 206 | 8.5% |
| 7 | Utah County | 187 | 7.7% |
| 8 | Cache County | 143 | 5.9% |
| 9 | Kane County | 48 | 2.0% |
| 10 | Grand County | 40 | 1.6% |
| 11 | Morgan County | 22 | 0.9% |
| 12 | Box Elder County | 19 | 0.8% |
When do spiders come out in Utah?
Observation records of spiders in Utah run mostly April through October, peaking in August with 21% of them. December through February together hold under 2% of the records, so spiders in Utah are rarely recorded in winter. The sharpest rise comes from March to April.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0% | 1% | 3% | 12% | 12% | 12% | 16% | 21% | 11% | 9% | 2% | 1% |
Spiders: Utah compared with its neighbors
Utah ranks 34th of 50 states by the number of spider species listed; Texas leads with 386 species.
Of the six states bordering Utah, Colorado, New Mexico and Arizona list more spider species (Utah: 97 species; Colorado 378, New Mexico 247, Arizona 162, Wyoming 68, Idaho 56, Nevada 47).
What spiders are in Utah? All 97 species
Ranked by licensed records in Utah. The table shows the 60 most recorded of 97 listed spiders.
| # | Species | Family | Records | Share |
|---|---|---|---|---|
| 1 | Bold jumper Phidippus audax | Salticidae | 204 | 8.4% |
| 2 | Western spotted orbweaver Neoscona oaxacensis | Araneidae | 187 | 7.7% |
| 3 | Western black widow venomous Latrodectus hesperus | Theridiidae | 149 | 6.1% |
| 4 | Zebra spider Salticus scenicus | Salticidae | 124 | 5.1% |
| 5 | Bay Area blonde Aphonopelma iodius | Theraphosidae | 64 | 2.6% |
| 6 | California flattened jumping spider Platycryptus californicus | Salticidae | 46 | 1.9% |
| 7 | Habronattus festus | Salticidae | 46 | 1.9% |
| 8 | Sassacus papenhoei | Salticidae | 44 | 1.8% |
| 9 | Pelegrina aeneola | Salticidae | 40 | 1.6% |
| 10 | Triangulate bud spider Steatoda triangulosa | Theridiidae | 40 | 1.6% |
| 11 | Dysdera crocata | Dysderidae | 39 | 1.6% |
| 12 | Banded garden spider Argiope trifasciata | Araneidae | 37 | 1.5% |
| 13 | Goldenrod crab spider Misumena vatia | Thomisidae | 25 | 1.0% |
| 14 | Barn funnel weaver Tegenaria domestica | Agelenidae | 24 | 1.0% |
| 15 | Johnson jumper Phidippus johnsoni | Salticidae | 20 | 0.8% |
| 16 | Neoanagraphis pearcei | Liocranidae | 20 | 0.8% |
| 17 | Western lynx spider Oxyopes scalaris | Oxyopidae | 20 | 0.8% |
| 18 | Apache jumping spider Phidippus apacheanus | Salticidae | 16 | 0.7% |
| 19 | Attulus ammophilus | Salticidae | 16 | 0.7% |
| 20 | Habronattus amicus | Salticidae | 16 | 0.7% |
| 21 | Habronattus tarsalis | Salticidae | 14 | 0.6% |
| 22 | Cat-faced spider Araneus gemmoides | Araneidae | 13 | 0.5% |
| 23 | Araneus niveus | Araneidae | 12 | 0.5% |
| 24 | Giant crab spider Olios giganteus | Sparassidae | 11 | 0.5% |
| 25 | Hobo spider Eratigena agrestis | Agelenidae | 11 | 0.5% |
| 26 | Sixspotted orbweaver Araniella displicata | Araneidae | 11 | 0.5% |
| 27 | Cone-shaped orbweaver Cyclosa conica | Araneidae | 10 | 0.4% |
| 28 | Habronattus sansoni | Salticidae | 10 | 0.4% |
| 29 | Desert red jumping spider Phidippus ardens | Salticidae | 9 | 0.4% |
| 30 | Hairy tufted jumping spider Phidippus comatus | Salticidae | 9 | 0.4% |
| 31 | Montane crab spider Xysticus montanensis | Thomisidae | 9 | 0.4% |
| 32 | Castianeira occidens | Corinnidae | 8 | 0.3% |
| 33 | Koch's wolf spider Alopecosa kochi | Lycosidae | 8 | 0.3% |
| 34 | Utah crab spider Bassaniana utahensis | Thomisidae | 8 | 0.3% |
| 35 | McCook's split wolf spider Schizocosa mccooki | Lycosidae | 7 | 0.3% |
| 36 | Shoreline wolf spider Arctosa littoralis | Lycosidae | 7 | 0.3% |
| 37 | Twospotted cobweb spider Asagena americana | Theridiidae | 7 | 0.3% |
| 38 | Calilena restricta | Agelenidae | 6 | 0.2% |
| 39 | Callilepis mumai | Gnaphosidae | 6 | 0.2% |
| 40 | Common candy-striped spider Enoplognatha ovata | Theridiidae | 6 | 0.2% |
| 41 | Hirsute paradise spider Habronattus hirsutus | Salticidae | 6 | 0.2% |
| 42 | Minute jumping spider Talavera minuta | Salticidae | 6 | 0.2% |
| 43 | Phidippus nikites | Salticidae | 6 | 0.2% |
| 44 | Phidippus octopunctatus | Salticidae | 6 | 0.2% |
| 45 | Zelotes lasalanus | Gnaphosidae | 6 | 0.2% |
| 46 | Zelotes nannodes | Gnaphosidae | 6 | 0.2% |
| 47 | Desert grass spider Agelenopsis aperta | Agelenidae | 5 | 0.2% |
| 48 | Drassyllus insularis | Gnaphosidae | 5 | 0.2% |
| 49 | Salticus peckhamae | Salticidae | 5 | 0.2% |
| 50 | Varacosa gosiuta | Lycosidae | 5 | 0.2% |
| 51 | Antrodiaetus montanus | Antrodiaetidae | 4 | 0.2% |
| 52 | Apollophanes texanus | Philodromidae | 4 | 0.2% |
| 53 | Buttonhook leafbeetle jumping spider Sassacus vitis | Salticidae | 4 | 0.2% |
| 54 | Colonus hesperus | Salticidae | 4 | 0.2% |
| 55 | Geolycosa rafaelana | Lycosidae | 4 | 0.2% |
| 56 | Longbodied cellar spider Pholcus phalangioides | Pholcidae | 4 | 0.2% |
| 57 | Phidippus asotus | Salticidae | 4 | 0.2% |
| 58 | Attractive running crab spider Rhysodromus histrio | Philodromidae | 3 | 0.1% |
| 59 | Brilliant jumping spider Phidippus clarus | Salticidae | 3 | 0.1% |
| 60 | Carolina wolf spider Hogna carolinensis | Lycosidae | 3 | 0.1% |
Related pages
GBIF records read 2026-09-29. Listed: any license. Counted: CC0/CC BY only. How we count.