Pachybrachis confederatus, Fall, 1915

Barney, Robert J., 2019, Key to All Sixty-Four Species of Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae) in the Eastern USA, The Coleopterists Bulletin 73 (1), pp. 85-96 : 90

61 ʹ. EFW of median lobe not wide (<0.25 mm), arrowhead-shaped distal end not large (AAW <0.15 mm) ................................ ....................... 12. P. confederatus Fall