Spiders in Pennsylvania

Spiders found in Pennsylvania include 11 unique species from 17 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.


11 Species Found in Pennsylvania

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

Picture of Parasteatoda tepidariorum (Common House Spider) - Female - Dorsal Enlarge Picture
Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of Tegenaria domestica (Barn Funnel Weaver) - Dorsal Enlarge Picture
Picture of Larinioides sclopetarius (Bridge Orb-weaver) - Female - Dorsal,Ventral Enlarge Picture
Picture of Pholcidae (Cellar Spiders) - Female - Lateral Enlarge Picture
Picture of Herpyllus ecclesiasticus (Eastern Parson Spider) - Dorsal Enlarge Picture
Picture of Thomisidae (Crab Spiders) - Dorsal Enlarge Picture
Picture of Neoscona crucifera (Hentz Orb-weaver) - Female - Dorsal Enlarge Picture
Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Female - Gravid,Lateral Enlarge Picture
Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Female - Lateral Enlarge Picture
Picture of Platycryptus undatus (Tan Jumping Spider) - Female - Dorsal Enlarge Picture
Picture of Dolomedes triton (Six-spotted Fishing Spider) - Female - Egg Sacs,Lateral Enlarge Picture
Picture of Dolomedes triton (Six-spotted Fishing Spider) - Female - Dorsal Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Female - Dorsal Enlarge Picture
Picture of Dolomedes tenebrosus (Dark Fishing Spider) - Female - Dorsal,Eyes Enlarge Picture
Picture of Argiope trifasciata (Banded Garden Spider) - Female - Dorsal Enlarge Picture