Pachybrachis caroleae, 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 : 14

15. Body length of males small (<1.8 mm), Mshaped pronotal macula reduced to V-shape. Very rare, Illinois hill prairie ( Fig. 13 ) .............................................. 13. P. caroleae Barney , new species

15 ʹ. Body length of males larger (>2.0 mm), M-shaped macula on pronotum......... .............................................. 16

16. Body primarily yellow and black; eyes widely separated (IOD> 0.2 mm) ........ ................................................ 17

16 ʹ. Body primarily yellow and rusty brown; eyes narrowly separated (IOD <0.2 mm) ...... .................................................... 18

Figures

Fig. 13. Pachybrachis caroleae, 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.