Pachybrachis charlotteae, Barney, 2018

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

60 ʹ. Body pale yellow and black, pronotal “M” distinct; arrowhead-shaped distal end of median lobe smaller (AAW <0.15 mm), without narrowing at ALM or lateral ridge ............ 9. P. charlotteae Barney