Spiders in Iowa

Spiders found in Iowa include 13 unique species from confirmed sightings by contributing members of Spider ID. It is important to remember that spiders seen in Iowa are not bound by the territorial lines decided on by humans, therefore their distribution is subject to change. Occasionally, spiders can be found well outside of their known range due to being intentionally or accidentally transported by humans in cars, luggage, and other belongings.


13 Species Found in Iowa

Iowa Sightings
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Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Lateral Enlarge Picture
Picture of Lycosidae (Wolf Spiders) - Dorsal Enlarge Picture
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Picture of Larinioides cornutus (Furrow Orb-weaver) - Dorsal Enlarge Picture
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Picture of Araneus marmoreus (Marbled Orb-weaver) - Dorsal Enlarge Picture
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Picture of Tigrosa helluo - Dorsal Enlarge Picture
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Picture of Neoscona spp. (Spotted Orb-weavers) - Female - Ventral,Webs Enlarge Picture
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Picture of Araneus marmoreus (Marbled Orb-weaver) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
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Picture of unidentified spider Enlarge Picture
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