Fig. 2 in The head anatomy of Epiophlebia superstes (Odonata: Epiophlebiidae)

Fig. 2 Head muscle system of Epiophlebia superstes. a Frontal view with all labral and pharyngeal muscles; b the same muscles in lateral view. c Frontolateral view of the mandibular muscle system. d Frontal view of maxillar muscle system. e, f Frontal and lateral view of labial muscle system. Blue, chitinous structures (tentorium, mouthparts, ridges/ sutures); orange, muscles; green, digestive tract; red, eye. Abbreviations: