Spiders in Pennsylvania

Spiders found in Pennsylvania include 41 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.


41 Species Found in Pennsylvania

Pennsylvania Sightings
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Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Metacyrba taeniola - Dorsal Enlarge Picture
Picture of Trochosa terricola Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Hibana gracilis - Male - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Dorsal Enlarge Picture
Picture of Tigrosa helluo - Dorsal Enlarge Picture
Picture of Pardosa spp. (Thin-legged Wolf Spiders) - Dorsal Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Dorsal Enlarge Picture
Picture of Lycosidae (Wolf Spiders) - Dorsal Enlarge Picture
Picture of Herpyllus ecclesiasticus (Eastern Parson Spider) - Dorsal Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Dorsal Enlarge Picture
Picture of Pisaurina mira (Nursery Web Spider) - Dorsal Enlarge Picture
Picture of Eris spp. - Male - Dorsal Enlarge Picture
Picture of Tigrosa helluo - Dorsal Enlarge Picture
Picture of Amaurobius ferox (Black Lace-Weaver) - Male - Dorsal Enlarge Picture
Picture of Pisaurina mira (Nursery Web Spider) - Dorsal Enlarge Picture
Picture of Pisaurina mira (Nursery Web Spider) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Amaurobius ferox (Black Lace-Weaver) - Male - Dorsal Enlarge Picture
Picture of Amaurobius ferox (Black Lace-Weaver) - Male - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Tigrosa spp. - Dorsal Enlarge Picture
Picture of Larinioides cornutus (Furrow Orb-weaver) - Dorsal Enlarge Picture
Picture of Rabidosa rabida (Rabid Wolf Spider) - Male - Dorsal Enlarge Picture
Picture of Argiope aurantia (Black and Yellow Garden Spider) - Ventral,Webs Enlarge Picture
Picture of Latrodectus variolus (Northern Black Widow) - Female - Dorsal Enlarge Picture
Picture of Neoscona crucifera (Hentz Orb-weaver) - Dorsal,Webs Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Lateral Enlarge Picture
Picture of Tegenaria domestica (Barn Funnel Weaver) - Dorsal Enlarge Picture
Picture of Bassaniana spp. (Bark Crab Spiders) - Male - Dorsal Enlarge Picture
Picture of Amaurobius ferox (Black Lace-Weaver) - Male - Dorsal Enlarge Picture
Picture of Lycosidae (Wolf Spiders) - Dorsal Enlarge Picture
Picture of unidentified spider - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Lateral Enlarge Picture
Picture of Cheiracanthium mildei (Long-legged Sac Spider) - Male - Dorsal Enlarge Picture
Picture of Larinioides cornutus (Furrow Orb-weaver) - Dorsal Enlarge Picture
Picture of Tegenaria domestica (Barn Funnel 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