Length: bug in photo 13.8 mm
Bugs in genus Pselliopus (22 species) can be found from Canada south to Argentina, but most are found in an area from the southern U.S. to Honduras.
Photo location: El Hato, north of Antigua, Guatemala.
See also Pselliopus cinctus, Pselliopus barberi, and another bug from Guatemala, Pselliopus sp.
American Insects site