Salero Ranch, 8 mi E of Tubac, 4300 ft elevation, Santa Cruz County, Arizona, USA July 17, 2015 Size: 2 cm or longer
There were 2 of these beetles digging away at the bark of a Mexican blue oak tree (Quercus oblongifolia). Looks like images of C. mutabilis, but I don't know if there are other lookalikes? Thanks in advance.
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