Taxonomic review of the North American dung beetle genus Boreocanthon Halffter, 1958 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini)
Figures 72–81. Boreocanthon probus (Germar). 72) Habitus, dorsal view. 73) Habitus, oblique anterolateral view. 74) Dorsal view forebody. 75) Area of pronotal surface. 76) Lateral view of genital capsule. 77) Apical view of parameres. 78) Dorsal view of forebody with adherent white sand grains. 79) Dorsal view of head. 80) Apical view of female abdomen (pyg = pygidium; arrow [a] indicates apex of paraproct; arrow [b] indicates flange of pygidial margin; asterisk marks breach in intersegmental membrane, not a natural orifice).81) Dorsolateral view of elytron (arrow marks carinulate 8th stria).
Figure 82. Approximate distributions of Boreocanthon probus (Germar) and B. halffteri, new species. Inset depicts recorded collection sites for B. halffteri (solid red circles) and in western Texas for B. probus (solid lavender triangles;? = doubtful site for B. probus, q.v).
Figures 1–2. 1) Approximate corporate distribution of the genus Boreocanthon. 2) Generalized depiction of vegetation biomes of the United States (Biome key in box; See Materials and Methods for explanation).
Alligator Creek Wildlife Management Area