Pachybrachis vigilans Fall

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. Median lobe without distinct ridge-like keel or protruding nodule ( Fig. 4 ) .................. ................. 4. Pachybrachis vigilans Fall

Figures

Fig. 4. Pachybrachis vigilans, lectotype. A–B) Dorsal and lateral habitus, respectively, C) Face, D) Pygidium, E–F) Median lobe of aedeagus, lateral and en-face views, respectively.