Karsch's purseweb spider
Karsch's purseweb spider (Atypus karschi). Saul Wildlife Preserve, Rose Valley, PA.
Spider on birch tree
Funnel weaver (Agelenopsis sp.). ID tenative. Swarthmore, PA.
Grass spider
Grass spider (Agelenopsis sp.) eating another spider. Swarthmore, PA.
Grass spider (Agelenopsis sp.)
Grass spider (Agelenopsis pennsylvanica). ID tentative. Mohonk Mountain House, New Paltz, NY.
Ariadna bicolor web
Ariadna bicolor tunnel. ID not confirmed. Mohonk Mountain House, New Paltz, NY.
Anaptomecus longiventris
Anaptomecus longiventris. San Carlos, Alajuela, Costa Rica.
Anyphaena pectorosa
Anyphaena pectorosa on snow. ID tentative. Hildacy Preserve, Media, PA.
Ghost spider in retreat
Ghost spider (Anyphaena sp.) in retreat next to cynipid gall. Hildacy Preserve, Media, PA.
Marbled orbweaver (Araneus marmoreus)
Marbled orbweaver (Araneus marmoreus). John Heinz National Wildlife Refuge, Philadelphia, PA.
Marbled orbweaver (Araneus marmoreus). Maurice Bower Saul Wildlife Sanctuary, Rose Valley, PA.
Lattice orbweaver (Araneus thaddeus) in retreat
Lattice orbweaver (Araneus thaddeus) in retreat. Swarthmore, PA.
Hawaiian garden spider (Argiope appensa) courtship
Hawaiian garden spider (Argiope appensa) courtship. Kailua-Kona, Hawai'i.
Juvenile black-and-yellow Argiope ( Argiope aurantia)
Juvenile black-and-yellow Argiope ( Argiope aurantia). Paines Creek Historic Park, Bowling Green, Florida.
Juvenile black-and-yellow Argiope ( Argiope aurantia) on stabilimentum
Juvenile black-and-yellow Argiope ( Argiope aurantia) on stabilimentum. Paines Creek Historic Park, Bowling Green, Florida.
Yellow garden spider
Yellow garden spider (Argiope aurantia) on stabilimentum. Rushton Woods Preserve, Willistown, PA.
Florida garden spider
Florida garden spider (Argiope florida) in web. Highlands Hammock State Park, Sebring, FL.
Argiope submaronica on stabilimentum
Argiope submaronica on stabilimentum. Formerly Argiope savignyi. La Selva, Costa Rica.
Ariadna bicolor webs
Ariadna bicolor webs. Mohonk Mountain House, New Paltz, NY.
Karsch's purseweb spider (Atypus karschi). Hildacy Preserve, Media, PA.
Karsch's purseweb spider (Atypus karschi). Smedley Park, Springfield, PA.
Caddo agilis
Caddo agilis. Mohonk Mountain House, New Paltz, New York.
Ant-mimic sac spider
Ant-mimic sac spider. Either Castianeira floridiana or C. descripta. Highlands Hammock State Park, Sebring, FL.
Ant-mimic sac spider. Either Castianeira floridana or C. descripta. Highlands Hammock State Park, Sebring, FL.
Jumping spider (Colonus sp.) with fly
Jumping spider (Colonus sp.) with fly. Swarthmore, PA.
Dark fishing spider (Dolomedes tenebrosus)
Dark fishing spider (Dolomedes tenebrosus). John Heinz National Wildlife Refuge, Philadelphia, PA.
Dark fishing spider
Dark fishing spider (Dolomedes tenebrosus) under bark. Smedley Park, Springfield, PA.
Dark fishing spider (Dolomodes tenebrosus) on log. John Heinz National Wildlife Refuge. Philadelphia, PA.
Dark fishing spider (Dolomedes tenebrosus) on leaf. ID tentative. John Heinz National Wildlife Refuge, Philadelphia, PA.
Dark fishing spider with regrown leg
Dark fishing spider (Dolomedes tenebrosus) with regrown R-II leg. Mohonk Mountain House, New Paltz, NY.
Dark fishing spider (Dolomedes tenebrosus) in tree hole. ID tentative. John Heinz National Wildlife Refuge, Philadelphia, PA.
Six-spotted fishing spider (Dolomedes triton) in vernal pond
Six-spotted fishing spider (Dolomedes triton) in vernal pond. Hildacy Preserve, Media, PA.
Banded fishing spider
Banded fishing spider (Dolomedes vittatus) on bench near stream. ID tentative. Hedgerow Theater, Rose Valley, PA.
Banded fishing spider (Dolomedes vittatus)
Banded fishing spider (Dolomedes vittatus). Ridley Creek State Park, Edgemont, PA.
Dark fishing spider (Dolomedes tenebrosus) on tree. ID tentative. Saul Wildlife Sanctuary, Rose Valley, PA.
Black dwarf spider
Black dwarf spider (Erigone sp.). Swarthmore, PA.
Eris floridana
Eris floridana. Zolfo Springs, FL.
