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08-01-2008, 03:25 PM
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Join Date: Nov 2006
Location: Sheffield, South Yorks, UK
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Spiders
Anyone good at identification of this fascinating group of invertebrates?
I've just up-loaded a pic of a common European spider (probably the woodlouse spider, Dysdera crocata, but ....  )
Any comments welcome but there are also quite a few unidentified spider pictures in the gallery. Some much better and more interesting than this!
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08-01-2008, 05:54 PM
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Im not great with spiders, but i dont think that is Dysdera crocata, looks more like one of the Drassodes sp.
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09-01-2008, 12:15 PM
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Quote:
Originally Posted by H Dogg
Im not great with spiders, but i dont think that is Dysdera crocata, looks more like one of the Drassodes sp.
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Thanks.
Mmm . I was going mostly by the colouring - the most common, Drassodes lapidosus (and D. cupreus which 'looks the same' according to my book!) is grey to brown - perhaps this is a youngster. D. pubescens seems a better fit but the time of year and location seem wrong.
The different colours between carapace and abdomen suggest Clubiona sp ( e.g. C. subtilis) but doesn't look quite right ... That will teach me to take more pictures another time!
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09-01-2008, 08:39 PM
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I Find Spiders harder to ID than any of the insects. You often need a hand lens or microscope to view the male palps or the female epigyne for correct ID.
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09-01-2008, 08:42 PM
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Quote:
Originally Posted by H Dogg
I Find Spiders harder to ID than any of the insects. You often need a hand lens or microscope to view the male palps or the female epigyne for correct ID.
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Quite so - either I need to devote more time to spiders (I've been saying that for ten years  ) or we need to lure an expert onto this forum  . Cheers.
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WH Auden
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09-01-2008, 09:36 PM
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Quote:
Originally Posted by paul m
Quite so - either I need to devote more time to spiders (I've been saying that for ten years  ) or we need to lure an expert onto this forum  . Cheers.
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Ive also been trying to but abit of effort into them, but im still a beginner so trying to master the insects first.
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01-02-2008, 08:26 PM
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I've had one of those evenings (sitting by a 'phone, nothing on TV, &c) so have been trawling the net - as you might have guessed  - found this fascinating clip:
YouTube - Spider Kills Bat
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07-02-2008, 02:44 PM
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Great video, ive seen one similar where a centipede kills a bat.
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07-07-2009, 09:20 AM
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sculpting spiders ....
Here's a fascinating observation:
BBC - Earth News - Spider builds life-sized decoys
.... unless the spider is growing to look like its waste?
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07-07-2009, 02:12 PM
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Your original spider looks like a Cheiracanthium sp, though thats not 100%
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10-06-2011, 04:49 PM
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Here's how some spiders manage to be amphibious:
BBC Nature - Diving bell spiders use bubble webs 'like gills'
Similar to those aquatic beetles that trap air under their elytra.
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07-07-2011, 08:48 AM
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I confess that at first I read this as ".... widows sniff out cannabis ..." but intriguing: how males can save their lives by detecting how well fed females are!
BBC Nature - Male black widow spiders sniff out cannibal females
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