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Photo#170969
Blister Beetle ? - Paranapiacaba tricincta

Blister Beetle ? - Paranapiacaba tricincta
Skull Valley, (WSW of Prescott 10 miles), Yavapai County, Arizona, USA
August 27, 2007
Much like Pyrota palpalis, but, not quite the same....color pattern variation or gender difference??

Paranapiacaba tricincta
I found many of these in Prescott on coyote gourds

 
Thanks Margarethe! & Jim & others that dug into the details!
Interesting comments and background. I've overlooked these in the past, looking for bigger Game! Like Jim, thinking they were just another cucumber beetle.

 
I was fooled into thinking Pyrota again as well!
Seems similar, but a close comparison shows that this beetle has a dark head and the dark spots at the base of the elytra are fused and extend a bit down the midline towards the tail end of the beetle. I'm sure there are other significant differences, as these are in different families, but the pattern sure is similar at first glance!

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