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Photo#695783
Ripiphorus rex vs. R. vierecki...Another CAS specimen - Ripiphorus - female

Ripiphorus rex vs. R. vierecki...Another CAS specimen - Ripiphorus - Female
5 miles north of Wickenburg, Yavapai County, Arizona, USA
May 8, 1937
This image shows a female specimen labelled as Rhipiphorus vierecki from the California Academy of Sciences insect collection.

I'm uploading it here in conjunction with this post to illustrate the clear presence of a serrate outer edge of the mesotibia in this specimen.
The serration can be better seen in the full-size 2078 x 1662 pixel image here.

Please see aforementioned post for full details.

Moved
Moved from Ripiphorus vierecki.

This CAS specimen was labeled (long ago) as R. vierecki. But it had carinate terga and serrate middle tibiae, which leads to R. rex following Vaurie(1) and Evans & Hogue(2). So I guess I'll park it here until there's some resolution of the R. vierecki vs. R. rex issue.

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