Spiders in Pennsylvania

Spiders found in Pennsylvania include 27 unique species from 168 confirmed sightings based on contributions made by Spider ID members. 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.


27 Species Found in Pennsylvania

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

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Picture of Amaurobius ferox (Black Lace-Weaver) - Dorsal Enlarge Picture
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Picture of Maevia inclemens (Dimorphic Jumper) - Male - Lateral Enlarge Picture
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Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Dorsal Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Dorsal Enlarge Picture
Picture of Mimetus notius - Dorsal Enlarge Picture
Picture of Phidippus audax (Bold Jumper) - Male,Female - Dorsal Enlarge Picture
Picture of Tigrosa helluo - Female - Dorsal,Egg sacs Enlarge Picture
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Picture of Phidippus audax (Bold Jumper) - Dorsal Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Dorsal Enlarge Picture
Picture of Lycosidae (Wolf Spiders) Enlarge Picture
Picture of Platycryptus undatus (Tan Jumping Spider) - Dorsal Enlarge Picture
Picture of Larinioides cornutus (Furrow Orb-weaver) - Dorsal Enlarge Picture
Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Male - Dorsal Enlarge Picture
Picture of Phidippus audax (Bold Jumper) - Dorsal Enlarge Picture
Picture of Larinioides cornutus (Furrow Orb-weaver) - Lateral,Webs Enlarge Picture
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