Pachybrachis erinae, 2018

Barney, Robert J., 2018, Definition and Revision of the Atomarius Species-Group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae), Including Descriptions of Nine New Species, The Coleopterists Bulletin 72 (1), pp. 9-74 : 16

20 ʹ. Arrowhead-shaped distal end of median lobe arising from inverted, Y-shaped, subplanar ridge with paired, deep, circular depressions ( Fig. 19 ) .................... ....... 19. P. erinae Barney , new species

Figures

Fig. 19. Pachybrachis erinae, holotype. A) Dorsal habitus, B) Lateral habitus, C) Face, D) Pygidium, E) Median lobe of aedeagus, lateral view, F) Median lobe of aedeagus, en-face view, G) Median lobe of aedeagus, dorsal view.