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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
 
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Photos from the 2007 gathering in Minnesota

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Photo#76155
two large red spots - Chilocorus cacti

two large red spots - Chilocorus cacti
base of Ogran Mountains, Doña Ana County, New Mexico, USA
August 11, 2006
Size: about 5 mm
Collected in net by sweeping and beating flowering shrubs and plants. I did not measure this beetle but it was kindly examined and measured a couple months later by Greg Forbes at NMSU . The red spots seemed larger than average for ladybeetles of this color/configuration.

Moved
Moved from Ladybird Beetles.

red belly?
Jim, any chance you have a shot of the underside of this lady? Your location was from a very small area of the US where a central american sp., Chilocorus cacti, is purported to be found. Unfortunately, it's also within the extreme southwest reach of C. stigma. Gordon's key separates the 2 by
"venter mostly yellow or red, only prosterum black" - C. cacti,
"venter mostly black, only abdomen red or yellow" - C. stigma
(C. stigma example, see your own )
Given the location, and what I think looks like a red abdomen (dorsal surface) between the elytra, C. cacti and C. stigma are really the only possibilities. The very large elytra spots are also characteristic of C. cacti, but I'd be a little tentative to call it on those alone.

very exciting!
Tim

 
And the answer is... Chilocorus cacti !
From Greg Forbes at New Mexico State University:

"I have located the coccinellid in question and compared it with the
photo. There is no doubt that the venter is nearly entirely reddish. The
legs are black except possibly the coxae. I measured it at about 5mm."

 
Alas, no.
However, the specimen is at New Mexico State University and maybe someone there will be kind enough to check the underside.

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