Spiders in Colorado

Spiders found in Colorado include 22 unique species from 165 confirmed sightings based on contributions made by Spider ID members. It is important to remember that spiders seen in Colorado 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.


22 Species Found in Colorado

Colorado Sightings
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165 spider sightings have been made in Colorado by contributing members. Consider submitting confirmed sightings of your own.

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Picture of Schizocosa mccooki - Dorsal Enlarge Picture
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Picture of Bassaniana spp. (Bark Crab Spiders) - Dorsal Enlarge Picture
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Picture of Pardosa spp. (Thin-legged Wolf Spiders) - Female - Egg sacs,Lateral Enlarge Picture
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Picture of Drassodes spp. - Dorsal Enlarge Picture
Picture of Phidippus audax (Bold Jumper) - Dorsal Enlarge Picture
Picture of Schizocosa spp. (Lanceolate Wolf Spiders) - Dorsal Enlarge Picture
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Picture of Schizocosa spp. (Lanceolate Wolf Spiders) Enlarge Picture
Picture of Phidippus audax (Bold Jumper) - Dorsal Enlarge Picture
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Picture of Latrodectus spp. (Widow Spiders) - Ventral,Webs Enlarge Picture