File:SEM micrographs of the mouthpart of various hopliine species.jpg

English: From Comparative morphology of the mouthparts of the megadiverse South African monkey beetles (Scarabaeidae: Hopliini): feeding adaptations and guild structure: "(A) Anisonyx ursus, median view of the mandible with lacinia mobilis, molar surface and haired postmola. (B, C) Lepithrix sp., lateral view of the mandible with single tooth on lacinia mobilis and toothed mola surface. (D, E) Pachycnema flavolineata, mola of the left and right mandible. (F) Heterochelus pickeri, reduced molar part of the mandible. (G–I) Mauromecistoplia nieuwoudtvillensis. (G) rows of teeth on the lacinia mobilis, (H) incisivus with cutting edge and (I) toothed galea. (J) Heterochelus pickeri, setose, toothed galea. (K) dorsal view of the labium with hypopharynx of M. nieuwoudtvillensis and (L) Lepithrix sp. showing apical elongated ligulae."