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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Sheetweb and Dwarf Spiders (Linyphiidae) » Dwarf Spiders (Erigoninae) » Walckenaeria » Walckenaeria tibialis
Photo#728916
Walckenaeria tibialis - male
Copyright © 2012 Chad Heins

Walckenaeria tibialis - Male
Cobb River Waterfowl Production Area, Blue Earth County, Minnesota, USA
March 15, 2010
Size: 2mm
Found in leaf litter.

Images of this individual: tag all
Walckenaeria tibialis - male Walckenaeria tibialis - male Walckenaeria tibialis - male Walckenaeria tibialis - male Walckenaeria tibialis - male Walckenaeria tibialis - male Walckenaeria tibialis - male
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Contributed by Chad Heins on 8 December, 2012 - 10:28am
Last updated 17 April, 2023 - 3:20pm

Moved
Moved from Walckenaeria.
… v belov, 17 January, 2013 - 1:19pm login or register to post comments

Perhaps W. tibialis?
Take a look at W. tibialis. It's difficult to see a lot from your palp images, but compare with Millidge 1983. Paquin & Dupérré 2003 show the profile. You'll be able to see more than we can from the images (esp. here, where the lateral view is not quite right on).
… Kevin Pfeiffer, 8 December, 2012 - 4:15pm login or register to post comments

 
Yes
I looked at both of those resources. I am fairly confident it is W. tibialis. Structure of the body (abdomen and cephalothorax) match the description perfectly. The structure of the tibia was difficult to capture with the camera but had the pronounced knob of W. tibialis. I just couldn't find anything about the apparent serrations on the inside of the tibial apophysis (I think I'm using the correct term).
… Chad Heins, 8 December, 2012 - 10:18pm login or register to post comments

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