Scarab beetle collected/photographed by Jim McConnell on 11 November 2008.

Based on a digital image, Bruce Gill comments “It is a species of Onthophagus.  It’s a well developed male and looks like it might be an Australian or SE Asian species.  I’d need to see the specimen, as there are 2,000 species worldwide.”

According to my checklist of Micronesian insects, Onthophagus armatus Blanchard occurs on Guam, so that is a possibility.

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