Spiders in Pennsylvania

Spiders found in Pennsylvania include 23 unique species from 57 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.


23 Species Found in Pennsylvania

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

Picture of unidentified spider Enlarge Picture
Picture of unidentified spider 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 Dolomedes albineus (White-banded Fishing Spider) - 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 Amaurobius ferox (Black Lace-Weaver) - Male - Dorsal Enlarge Picture
Picture of Tetragnathidae (Long-jawed Orb-weavers) - 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 - Dorsal Enlarge Picture
Picture of Larinioides sclopetarius (Bridge Orb-weaver) - Male - Dorsal Enlarge Picture
Picture of Larinioides cornutus (Furrow Orb-weaver) - Lateral,Webs Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Tetragnatha spp. - Dorsal Enlarge Picture
Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of Phidippus audax (Bold Jumper) - Dorsal Enlarge Picture
Picture of Cheiracanthium mildei (Long-legged Sac Spider) - Dorsal Enlarge Picture
Picture of Amaurobius ferox (Black Lace-Weaver) - Male - Dorsal Enlarge Picture
Picture of Antrodiaetus spp. - Dorsal Enlarge Picture
Picture of Steatoda borealis - Male - Dorsal Enlarge Picture
Picture of Phidippus audax (Bold Jumper) - Eyes Enlarge Picture
Picture of Cheiracanthium spp. (Long-legged Sac Spiders) - Lateral Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Agelenidae (Funnel Weavers) - Exuviae Enlarge Picture
Picture of Pholcus phalangioides (Long-bodied Cellar Spider) - Dorsal Enlarge Picture
Picture of Tigrosa helluo - Dorsal Enlarge Picture
Picture of Misumessus oblongus (Green Crab Spider) - Dorsal Enlarge Picture
Picture of Herpyllus ecclesiasticus (Eastern Parson Spider) - Lateral Enlarge Picture
Picture of Steatoda borealis - Male - Dorsal Enlarge Picture
Picture of Tigrosa helluo - Dorsal Enlarge Picture
Picture of Larinioides cornutus (Furrow Orb-weaver) - Dorsal Enlarge Picture
Picture of Amaurobius ferox (Black Lace-Weaver) - Male - Dorsal Enlarge Picture
Picture of Lycosidae (Wolf Spiders) Enlarge Picture
Picture of Lycosidae (Wolf Spiders) - Lateral Enlarge Picture
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 Crossopriza lyoni (Tailed Daddy Longlegs) - Female - Lateral Enlarge Picture
Picture of Araneus cingulatus (Red-spotted Orb-weaver) - Dorsal 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