Scaphinotus viduus mandibles detail - Scaphinotus viduus
7 km East of Paw Paw, Morgan County, West Virginia, USA
August 26, 2000
Size: 30 mm
Detailed view of highly intricate mandibles. Note the four setae at the base of the clypeal cleft. Most keys list that character to separate Scaphinotus from Sphaeroderus that have two such setae.
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