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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Long-jawed Orb Weavers (Tetragnathidae) » Longjawed Orbweavers (Tetragnatha) » Tetragnatha versicolor
Photo#445609
T. elongata male? - Tetragnatha versicolor - male
Copyright © 2010 Ken Schneider

T. elongata male? - Tetragnatha versicolor - Male
Bowers Park, Santa Clara County, California, USA
August 21, 2010
Size: 7 mm
I beat this beautiful adult male tetragnathid from a tree near a small creek. It had a fairly uniform, rich reddish-orange color. I collected it with some trepidation, knowing that they require good looks at the tip of the conductor to id to species... Although the color is quite different, I think the palp is closest to T. elongata? The tip of the conductor makes a hairpin turn and is finely pointed. The paracymbium is not modified (not shown well here). The chelicerae are about as long as the carapace. Any help would be greatly appreciated!

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T. elongata male? - Tetragnatha versicolor - male T. elongata male? - Tetragnatha versicolor - male T. elongata male? - Tetragnatha versicolor - male T. elongata male? - Tetragnatha versicolor - male T. elongata male? - Tetragnatha versicolor - male T. elongata male? - Tetragnatha versicolor - male
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Contributed by Ken Schneider on 22 August, 2010 - 12:54pm
Last updated 4 April, 2011 - 9:15am

Moved
Moved from Longjawed Orb Weavers. From Rod Crawford: The pattern is atypical, but the palp and chelicerae don't go with anything but T.versicolor.
… Lynette Elliott, 4 April, 2011 - 9:15am login or register to post comments

 
Thanks -
Lynette and Rod! I'll have to go back and figure out why I thought it was elongata - it's nice to have a reference ID from Rod to compare with future specimens - much appreciated.
… Ken Schneider, 4 April, 2011 - 10:01am login or register to post comments

..
Ach, I hate the Tetragnathidae! ;-)

Is the pedipalpal tibia significantly longer than the cymbium (see Paquin & Dupérré, p. 208). I'm not sure what I'm seeing in the last image. You mention the hairpin turn of the conductor tip (and I see something like that), but I don't see such a big looping back in the literature. The hook at the tip for T. elongata is tiny -- is that what you are referring to (if so, really difficult to see here in the last image)?'

Do you see this 'transparent shield' at the base of the conductor that the literature talks about (e.g. in Levi's fig. of elongata)?

-K
… Kevin Pfeiffer, 23 August, 2010 - 8:08am login or register to post comments

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