Figs. 24–27 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Figs. 24–27. Epipharynx of Attavicinus monstrosus. 24) Setae on the cephalic part of the medial process; 25) Large, thick setae covering the posterior part, with abundant spines and much thinner setae on the acroparia; 26) Thick and medium-sized setae interspersed near the nesium; 27) Detail of ovoid setae on the base of the nesium base; note that the nesium is completely smooth (arrow).