— This article by Jerry Cates and Becky C., first published on 15 June 2010, was last revised on 24 April 2016. © Bugsinthenews Vol. 11:06(02).
Becky wrote that she had found a giant lichen orbweaver (Araneus bicentenarius) on her property near the Texas city of Burnet. The photos she sent were stunning in their clarity, as you will note. Furthermore, each was sent at a high resolution, which allowed me to crop and enlarge certain portions to illuminate important anatomical features.
Each photo is linked to a larger view, which you may examine by simply placing your cursor over the photo and clicking on it.
We would hope to be able to view the eye pattern of this spider. And, because
Becky’s photos are so good, my hope was that an enlargement of the dorsofrontal photo she provided would enable us to see the eyes well. Alas, that was not the case…
Photographs of the epigynum of this species show a scape in the form of a slender, curved finger of chitinous material. This enlargement, taken from the ventral view Becky provided, shows the scape in bold relief. The ventral mark for the species is distinctive. Spinnerets are six in number, anf four can be seen in that photo. Two smaller spinnerets are hidden between from sight.
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