Composite web of a Labyrinth Spider (Metepeira)

            This is the composite web of a Labyrinth Spider (genus Metepeira, Araneidae) on an old plant of native Bird's Beak (Cordylanthus rigidus, Orobanchaceae) in the woods yesterday.  The spider's orb web is on the left and its cobweb-like retreat on the right, and there is a "sensing line" which connects the two and allows the spider to sense the vibrations of its prey.  What I find most interesting is that the sensing line is under tension, actually pulling the center of the web towards the spider.   I guess it carries vibrations better that way, like an old-fashioned cup and string telephone which only works if the string is tight.  Happy Web Webnesday!  (San Marcos Pass, 3 December 2024) 
   

Taken in: United States / California / Orchams (show map)

Taken on: December 3, 2024

Tags:

Composite

web

Orb-Weaver Spider

Labyrinth Spider

Metepeira

Araneidae

Bird's Beak

Cordylanthus rigidus

Orobanchaceae

San Marcos Pass

Santa Barbara County

California « less

Sets appears in: • Spiders 3 • Webbing

Groups appears in: • SPIDERS • The Spider Web more » • Araneidae • Web Wednesdays « less

Camera: Nikon D500, f/13.0, 1/40 sec, 105mm (=157mm), ISO 400 (more info) (hide info)

Camera:	Nikon D500
Aperture:	f/13.0
Exposure Time:	0.025 sec (1/40)
Focal Length:	105mm (35mm equivalent: 157mm)
ISO:	400
Exposure Bias:	-1 EV
Flash:	No Flash
Exposure Program:	Aperture-priority AE
Exposure Mode:	Auto
Metering Mode:	Center-weighted average
White Balance:	Manual
Light Source:	Fine Weather
Color Space:	sRGB
Software:	Ver.1.20
Show full info

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