Pachybrachis crassus, Bowditch, 1909

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

2. Yellow with prominent dark brown strial punctures, no elytral maculae ( Fig. 2 ) ................... .................................... 2. P. CRASSUS Bowditch

2′. Yellow with brown or black elytral maculae … 3

Figures

Fig. 2. Pachybrachis crassus, Riverside Co., California, 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, sub view, H) Female holotype.