Pachybrachis subfasciatus, (J. E. LeConte)

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 : 89

45. Elytra brown with broad median fascia and apical spot red; median lobe in en-face view narrow and long, with large POL and elongated OS; DEO composed of a pointed terminus, with excurvate ALM with denticles, therefore appearing as a median point with 2 lateral points; in lateral view, shaft of median lobe very long and inflated, creating a long tube with 3-pointed DEO ......................... .......... 56. P. subfasciatus (J. E. LeConte) (in part)

45 ʹ. Elytra without broad, red median fascia or apical spot; median lobe not as above ................. 46