Mating Pennsylvania Leatherwings share thistle with Black Swallowtail

Name that Beetle
I just discovered your wonderful website while I was trying to identify the mating beetles sharing the thistle with a Black Swallowtail. The picture was taken last summer just out side Madison WI. Are these a Pennsylvania leather-wings?
Bill Ottinger

Hi Bill,
You are absolutely correct. The mating Pennsylvania Leatherwings are common beetles found on roadside flowers, especially goldenrod.

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