Spiders in Pennsylvania

Spiders found in Pennsylvania include 32 unique species from confirmed sightings by contributing members of Spider ID. It is important to remember that spiders seen in Pennsylvania 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.


32 Species Found in Pennsylvania

Pennsylvania Sightings
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Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
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Picture of Agelenopsis spp. (Grass Spiders) - Lateral Enlarge Picture
Picture of Trochosa ruricola - 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 Araneidae (Orb-weavers) Enlarge Picture
Picture of Tigrosa helluo - Lateral Enlarge Picture
Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Araneus trifolium (Shamrock Orb-weaver) - 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 Araneus marmoreus (Marbled Orb-weaver) - Ventral Enlarge Picture
Picture of Neoscona crucifera (Hentz Orb-weaver) - Dorsal Enlarge Picture
Picture of Agelenopsis spp. (Grass Spiders) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Tigrosa helluo - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Araneus trifolium (Shamrock Orb-weaver) - Female - 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
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Larinioides cornutus (Furrow Orb-weaver) - Dorsal Enlarge Picture
Picture of Araneus marmoreus (Marbled Orb-weaver) - Dorsal,Webs Enlarge Picture
Picture of Neoscona spp. (Spotted Orb-weavers) - Ventral Enlarge Picture
Picture of Araneus saevus - Dorsal Enlarge Picture
Picture of Neoscona crucifera (Hentz Orb-weaver) - Dorsal Enlarge Picture
Picture of Araneus saevus - Dorsal Enlarge Picture