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For Insects, Spiders & Their Kin
For the United States & Canada
Photo#692214
Thought it was a bee or wasp...with bizarre antennae! - Ripiphorus rex - female

Thought it was a bee or wasp...with bizarre antennae! - Ripiphorus rex - Female
West of Kennedy Meadows, Tulare County, California, USA
June 8, 2012
Size: Body Length ~10mm
As noted in the remarks with the 1st image, Vaurie(1) mentions that a significant character for R. rex is:

"the densely hairy elongate projection on the inner side of the front coxae at apex"

If you look between the upper-most (black) portions of the fore-leg and mid-leg, you'll see a (yellow) elongate projection covered with hair. It's better seen in the full-size version.

Note also that the 1st segment of the hind tarsus is obliquely truncate at its apex, and shorter than the remaining 3 tarsi together. This is the first character used in the keys of both Rivnay(2)(1929) and Linsley & MacSwain(3)(1951).

For more complete info on this post, see 1st image in the series.

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Thought it was a bee or wasp...with bizarre antennae! - Ripiphorus rex - female Thought it was a bee or wasp...with bizarre antennae! - Ripiphorus rex - female Thought it was a bee or wasp...with bizarre antennae! - Ripiphorus rex - female Thought it was a bee or wasp...with bizarre antennae! - Ripiphorus rex - female Thought it was a bee or wasp...with bizarre antennae! - Ripiphorus rex - female Thought it was a bee or wasp...with bizarre antennae! - Ripiphorus rex - female Thought it was a bee or wasp...with bizarre antennae! - Ripiphorus rex - female

Moved
Moved from Ripiphorus.