Spiders in Iowa

Spiders found in Iowa include 10 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.


10 Species Found in Iowa

Iowa Sightings
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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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