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Money Spider - Hypomma bituberculatum (male)
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Bruce Williams



Commander of the Wild Empire

Registered: January 2007
Location: South Northants
Posts: 3,291
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Stony Stratford, Bucks. Fence beneath mixed broadleaf trees.

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See related forum thread: http://www.wildaboutbritain.co.uk/fo...rret-eyes.html

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· Date: Sun June 20, 2010 · Views: 1685
· Filesize: 79.9kb, 219.3kb · Dimensions: 1024 x 768 ·
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Keywords: Money Spider Hypomma bituberculatum Linyphiid Linyphiidae
Camera Information: Nikon D300 + Nikon 105mm Macro VR
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Bruce Williams
Commander of the Wild Empire

Registered: January 2007
Location: South Northants
Posts: 3,291
Mon June 21, 2010 7:20am

I came across some interesting information about the strange looking lobes on top of the males head. Apparently they are used in mating. The male approaches the female head-on, encouraging her to lunge at him. If/when she does, he makes no attempt to avoid her but instead allows her to raise up and grab the turret shaped lubes on the top of his head with her chelicerae. The lobes are especially shaped (grooved at the base) to accommodate her fangs without injuring him. This puts them in a position where they are face to face with her raised above his head. This allows him to mate with her by inserting each of his palps (in turn) into her epgigynal opening.

Bruce
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Ian Gray
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Registered: December 2006
Location: coventry
Posts: 1,068
Mon June 21, 2010 2:15pm

well captured Bruce and a fascinating description, ain't nature brilliant. Well done.



Ian

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Bruce Williams
Commander of the Wild Empire

Registered: January 2007
Location: South Northants
Posts: 3,291
Mon June 21, 2010 4:30pm

She is Ian - always something unexpected to amaze us.

Thanks - Bruce
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