Pachybrachis integratus Fall, 1915

Barney, Robert J., 2019, Definition and Revision of the Pubescens Species-Group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae), Including Descriptions of Three New Species, The Coleopterists Bulletin 73 (4), pp. 1017-1048 : 1019

5 ʹ. Median lobe with distinct ridge-like keel and protruding nodule ( Fig. 5 ) ...................... .............. 5. Pachybrachis integratus Fall

6. Prothorax with narrow, entire or subentire, smooth median line ............................ 7

6 ʹ. Prothorax without narrow, entire or subentire, smooth median line ................. 10

7. Primarily black .................................. 8

7 ʹ. Not primarily black ............................ 9

Figures

Fig. 5. Pachybrachis integratus, Brewster Co., Texas. A–B) Dorsal and lateral habitus, respectively, C) Face, D) Pygidium, E–F) Median lobe of aedeagus, lateral and en-face views, respectively.