Figs. 1– 6 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Figs. 1– 6. Epipharynx of Liatongus rhinocerulus. 1) Dorsal view; 2) Detail of the anterior area of the medial process and the distribution of setae on its surface; 3) Distribution of setae on the medial process (arrow) near the distal end; 4) Posterior area of the medial process; note the structures on either side of the base of the nesium and the lack of setae on the nesium (arrow); 5) Lateral tormae of the epipharynx; 6) Detail of the distribution and different types of setae (arrow).