Definition and Revision of the Atomarius Species-Group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae), Including Descriptions of Nine New Species Barney, Robert J. The Coleopterists Bulletin 2018 2018-03-23 72 1 9 74   18 ʹ. EFW of median lobe not wide (< 0.25 mm), arrowhead-shaped distal end not large (AAW < 0.15 mm) ( Fig. 17) ................. ....................... 17.  P. confederatusFall