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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Long-jawed Orb Weavers (Tetragnathidae)
Photo#274393
Orb web over water
Copyright © 2009 John R. Maxwell

Orb web over water
John Heinz National Wildlife Refuge at Tinicum, Delaware County, Pennsylvania, USA
May 10, 2009
There is a foot bridge that goes over a fresh water pond/marsh. The bridge zig-zags across the water. These webs were all over the place. This one is horizontal with the water. They were maybe a foot or two big. I couldn't find any spiders, must be under the bridge or tucked in between boards. Is there any way to tell even family?

For FRASS.
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Contributed by John R. Maxwell on 11 May, 2009 - 9:44am
Last updated 11 May, 2009 - 6:24pm

Tetragnathidae
Horizontal to inclined orb webs over water with an open hub are characteristic of certain Tetragnatha spp.
… Charley Eiseman, 11 May, 2009 - 4:44pm login or register to post comments

 
Frass
I had planned to frass when I posted, but what do you think?
… John R. Maxwell, 11 May, 2009 - 5:51pm login or register to post comments

 
Might as well keep it
I don't know offhand if there are any good images of whole tetragnathid webs already in the guide--I don't remember seeing any--but this is certainly a good illustration of what one looks like. Probably best placed at family level, despite the likelihood that it's a Tetragnatha.
… Charley Eiseman, 11 May, 2009 - 5:58pm login or register to post comments

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