Spiders in Illinois

Spider ID has received 9 pictures across 6 unique spider species in Illinois. It is important to remember that spiders 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.

Have you photographed spiders in Illinois?

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6 Spider Species Found

Illinois Sightings
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Picture of Araneus marmoreus (Marbled Orb-weaver) - Female - Dorsal Enlarge picture icon
Picture of Latrodectus spp. (Widow Spiders) - Female - Egg Sacs,Webs Enlarge picture icon
Picture of Argiope spp. (Garden Orb-weavers) - Male,Female - Ventral,Webs,With Prey Enlarge picture icon
Picture of Platycryptus undatus (Tan Jumping Spider) - Dorsal Enlarge picture icon
Picture of Neoscona arabesca (Arabesque Orb-weaver) - Female - Dorsal,Webs Enlarge picture icon
Picture of Phidippus audax (Bold Jumper) - Male - Dorsal,Eyes Enlarge picture icon
Picture of Parasteatoda tepidariorum (Common House Spider) - Female - Egg Sacs,Lateral,Spiderlings,Webs Enlarge picture icon
Picture of Phidippus audax (Bold Jumper) - Male - Eyes Enlarge picture icon
Picture of Araneus diadematus (Cross Orb-weaver) - Female - Dorsal,Webs,With Prey Enlarge picture icon