Edgar Canyon, San Pedro River Valley, W of Redington, Pima County, Arizona, USA April 7, 2016
I think this is a Pachybrachis, but I don't see anything that quite fits with it. I don't have any dorsal photos, so there may not be enough information from these 2 shots. It was on Velvet Mesquite tree leaves in a dry wash. Thank you for your help.