Figs. 1–8 in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Figs. 1–8. SEM photographs of attelabine prosternum (1–2) and prementum (3–8). Scale line 5 100 mm. 1) Synolabus bipustulatus 2) Attelabus nitens; 3) Attelabus nitens; 4) Phialodes rufipennis 5–6) Synolabus bipustulatus; 7) Omolabus corvinus; 8) Himatolabus pubescens.