Spiders in Colorado

Spiders found in Colorado include 25 unique species from confirmed sightings by contributing members of Spider ID. 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.


25 Species Found in Colorado

Colorado Sightings
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Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Phidippus audax (Bold Jumper) - Dorsal Enlarge Picture
Picture of Agelenidae (Funnel Weavers) - Lateral Enlarge Picture
Picture of Agelenidae (Funnel Weavers) - Dorsal Enlarge Picture
Picture of Herpyllus spp. - Dorsal Enlarge Picture
Picture of Trochosa spp. - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of Pholcidae (Cellar Spiders) - Male - Lateral Enlarge Picture
Picture of Agelenidae (Funnel Weavers) - Dorsal Enlarge Picture
Picture of Pholcidae (Cellar Spiders) - Lateral Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Salticidae (Jumping Spiders) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Tigrosa grandis - Lateral Enlarge Picture
Picture of Tigrosa grandis - Male - Eyes Enlarge Picture
Picture of Tigrosa grandis - Male Enlarge Picture
Picture of Tigrosa grandis - Male - Dorsal Enlarge Picture
Picture of Platycryptus californicus - Dorsal Enlarge Picture
Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Female - Dorsal,Egg sacs Enlarge Picture
Picture of Thomisidae (Crab Spiders) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Gnaphosidae (Stealthy Ground Spiders) - Dorsal Enlarge Picture
Picture of Philodromidae (Running Crab Spiders) - Male - Eyes Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Lateral Enlarge Picture
Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Philodromus spp. - Male - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture