Figures 1–6. Big Bend maps and dung beetles. 1–3 in The dung beetle fauna of the Big Bend region of Texas (Coleoptera: Scarabaeidae: Scarabaeinae)

Figures 1–6. Big Bend maps and dung beetles. 1–3) Location of study area and collection sites. 1) Extension of the Chihuahuan Desert (dark green) in north-central Mexico and southwestern United States. 2) [A] Trans-Pecos Texas showing counties and Big Bend region (shaded); [B] Tri-county Big Bend region (numbers indicate primary collection sites described in Materials and Methods; dots mark secondary sites). 3–6) Beetles in natural settings. 3) Aggregation of Canthon imitator, C. praticola and C. mixtus at cow dung. 4) Canthon imitator rolling ball of cow dung. 5) Stick nest of Neotoma micropus at base of mesquite brush, potential habitat for inquilinous Onthophagus. 6) Canthon blumei feeding directly from javelina carcass.