Figure 2 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 2. Overview of the outer head anatomy of Epiophlebia superstes: A, ventral view with the right part displayed as a three-dimensional reconstruction in order to show the peculiar muscle arrangement of the labial prehensile mask; B, lateral view; C, frontal view; D, dorsal view. Abbreviations: acl, anteclypeus; agp, anterior genal process; antb, antennal base; cl, cleavage line; cr0lb1 + 2, cranial origin of labral muscles 0lb1 and 0lb2; cr0lb5, cranial origin of labral muscle 0lb5; cr0te3, cranial origin of tentorial muscle 0te3; e, eye; fl, flagellum; fr, frons; lbr, labrum; loc, lateral occellus; lp, labial palpus; moc, middle occellus; oc, occiput; ocr, occipital ridge; pcl, postclypeus; pe, pedicellus; prm, prementum; sc, scapus. For muscle references, see text and Table S2. Scale bar: 1 mm.