Spiders in Illinois

Spiders found in Illinois include 31 unique species from confirmed sightings by contributing members of Spider ID. It is important to remember that spiders seen in Illinois 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.


31 Species Found in Illinois

Illinois Sightings
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Picture of Trochosa ruricola - Female - Dorsal,Spiderlings Enlarge Picture
Picture of unidentified spider Enlarge Picture
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Picture of unidentified spider Enlarge Picture
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Picture of unidentified spider Enlarge Picture
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Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
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Picture of unidentified spider Enlarge Picture
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Picture of unidentified spider Enlarge Picture
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Picture of unidentified spider Enlarge Picture
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Picture of unidentified spider Enlarge Picture
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Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
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Picture of Agelenidae (Funnel Weavers) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Tigrosa helluo Enlarge Picture
Picture of Tigrosa helluo - Dorsal Enlarge Picture
Picture of Rabidosa punctulata (Dotted Wolf Spider) - Dorsal Enlarge Picture
Picture of Tigrosa helluo - Male - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture