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Photo#739640
Adult male - Metellina segmentata - male
Copyright © 2013 Kyron Basu

Adult male - Metellina segmentata - Male
Cowichan Valley, British Columbia, Canada
January 21, 2013
Size: ~7mm body length
Chelicerae. Some kind of file present on the inside surface of the fangs?

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Adult male - Metellina segmentata - male Adult male - Metellina segmentata - male Adult male - Metellina segmentata - male Adult male - Metellina segmentata - male Adult male - Metellina segmentata - male Adult male - Metellina segmentata - male
Contributed by Kyron Basu on 21 January, 2013 - 11:51pm
Last updated 29 August, 2023 - 9:07am

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Not sure, but I suspect this is a not uncommon feature on many (larger) spiders. I can think of some salticids with this serrated edge, for example. I imagine that it aids in piercing and/or holding.

-K
… Kevin Pfeiffer, 22 January, 2013 - 7:07am

 
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Interesting, makes sense. Gotta' keep an eye out for it on others!
… Kyron Basu, 22 January, 2013 - 1:18pm

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