Figure 4 in Coding characters from different life stages for phylogenetic reconstruction: a case study on dragonfly adults and larvae, including a description of the larval head anatomy of Epiophlebia superstes (Odonata: Epiophlebiidae)

Figure 4. SEM micrographs and three-dimensional reconstructions of the maxillae, labium, and hypopharynx of Epiophlebia superstes. A, ventral view of the maxilla, scale bar: 1 mm. B, ventral view of the maxilla, with musculature shown. C, dorsal view of the maxilla. D, dorsal view of the maxilla, with musculature shown. E, labium in dorsal view. Scale bar: 1 mm. E1, detail of the apical area of the labium. Scale bar: 500 μm. E2, detail of E1. Scale bar: 5 μm. F, musculature of the labium and hypopharynx in dorsolateral view. G, musculature of the labium and hypopharynx in lateral view. Abbreviations: ca, cardo; dse, dentisetae; eh, end hook; hyp, hypopharnyx; inc, incisivi; lac, lacinia; lp, labial palpus; mh, moveable hook; ml, median lobe; mp, maxillar palpus; pm, postmentum; prm, prementum; set, setae; st, stipes; trod, T-shaped cuticular rod. For muscle references see text and Table S2.