52 species for Polk County |
| Colloquial | family | sciName | comName |
|---|
| Funnel Weavers | AGELENIDAE | Agelenopsis emertoni | a grass spider |
| | Agelenopsis utahana | a grass spider |
| | Wadotes bimucronatus | |
| Hacklemesh Weavers | AMAUROBIIDAE | Amaurobius ferox | a hackledmesh weaver |
| Ghost Spiders | ANYPHAENIDAE | Anyphaena pectorosa | a ghost spider |
| | Wulfila albens | a ghost spider |
| Orb Weavers | ARANEIDAE | Araneus marmoreus | Marbled orbweaver |
| | Eustala anastera | Humpbacked orbweaver |
| | Mangora placida | tuftlegged orbweaver |
| | Mangora spiculata | an orbweaver |
| | Micrathena gracilis | spined Micrathena |
| | Micrathena mitrata | white micrathena |
| | Micrathena sagittata | Arrowshaped Micrathena |
| | Neoscona arabesca | Arabesque orbweaver |
| | Neoscona crucifera | Spotted Orbweaver |
| | Neoscona domiciliorum | a spotted orbweaver |
| Antmimics and Ground Sac Spiders | CORINNIDAE | Castianeira descripta | redspotted antmimic |
| No Colloquial Name | CYBAEIDAE | Calymmaria persica | a basket-web weaver |
| DOLOMEDIDAE | Dolomedes albineus | whitebanded fishing spider |
| | Dolomedes tenebrosus | Dark fishing spider |
| Ground Spiders | GNAPHOSIDAE | Herpyllus ecclesiasticus | Parson spider |
| No Colloquial Name | HYPOCHILIDAE | Hypochilus coylei | A Lampshade Spider |
| | Hypochilus pococki - central clade | A Lampshade Spider |
| Sheetweb and Dwarf Spiders | LINYPHIIDAE | Ceraticelus creolus | a dwarf spider |
| | Agyneta serrata | a sheetweb weaver |
| | Drapetisca alteranda | a sheetweb weaver |
| | Florinda coccinea | Black-tailed red sheetweaver, scarlet sheetweaver |
| Wolf Spiders | LYCOSIDAE | Pardosa lapidicina | a thinlegged wolf spider |
| No Colloquial Name | NEPHILIDAE | Trichonephila clavata | an orbweaver |
| Scaffold Web Spiders | NESTICIDAE | Nesticus brimleyi | a cave cobweb spider |
| Armoured harvestmen | PHALANGODIDAE | Bishopella laciniosa | |
| No Colloquial Name | PHOLCIDAE | Pholcus phalangioides | Longbodied cellar spider |
| | Spermophora senoculata | Short-bodied cellar spider |
| | Pholcus manueli | a cellar spider |
| PHRUROLITHIDAE | Scotinella coylei | |
| Nursery Web Spiders | PISAURIDAE | Pisaurina mira | nursery web spider |
| Jumping Spiders | SALTICIDAE | Naphrys pulex | a jumping spider |
| | Hentzia mitrata | a jumping spider |
| | Lyssomanes viridis | Magnolia green jumper |
| | Phidippus audax | Bold jumper, Daring jumping spider |
| | Maevia undescribed species D | Maevia undescribed species D |
| | Peckhamia unidentified species | an antmimic jumping spider |
| Long-jawed Orb Weavers | TETRAGNATHIDAE | Leucauge venusta | orchard orbweaver |
| Cobweb Spiders | THERIDIIDAE | Euryopis funebris | a cobweb spider |
| | Latrodectus mactans | Southern black widow |
| | Parasteatoda tepidariorum | common house spider |
| | Steatoda borealis | northern cobweb weaver |
| | Steatoda grossa | false black widow |
| | Theridion flavonotatum | a cobweb spider |
| | Pholcomma barnesi | a cobweb spider |
| Crab Spiders | THOMISIDAE | Mecaphesa celer | Swift crab spider |
| No Colloquial Name | VAEJOVIDAE | Vaejovis carolinianus | Southern Unstriped Scorpion |