Pachybrachis hybridus, Suffrian, 1852

Barney, Robert J., 2021, Definition and Revision of the cylindricus Species-Group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae), Including Descriptions of Six New Species, The Coleopterists Bulletin 75 (4), pp. 723-748 : 724

1. Primarily black with dark red pronotum ( Fig. 1 ) .................................... 1. P. HYBRIDUS Suffrian

1′. Primarily yellow, usually with brown or black maculae ........................................................... 2

Figures

Fig. 1. Pachybrachis hybridus, Novato, California.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, sub view.