Figure 2

3D-reconstruction of the morphology (A, left fronto-lateral view, B, lateral view) and the internal head anatomy (C, frontal view, D, lateral view, E, sagittal view, F, parasagittal plane at the level of the tentorium) of Drusus bosnicus (5th larval instar) based on µCT data. Abbreviations: 1 = Musculus (M.) cranio-mandibularis medialis, 2 = M. cranio-mandibularis lateralis, 3 = M. fronto-labralis, 4 = M. fronto-pharyngalis, 5 = M. fronto-epipharyngalis, 6 = M. cranio-postpharyngalis dorsalis, 7 = M. praemento-salivaris, 8 = M. hypopharyngo-salivarialis, 9. = M. basistipito-dististipitalis lateralis, 10 = M. basistipito-dististipitalis medialis, 11 = M. tentorio-stipitalis, 12 = M. tentorio-cardinalis, 14 = M. cranio-dististipitalis, 15 = M. cranio-praementalis medialis, 16 = M. cranio-praementalis lateralis, 17 = M. cranio-cibarialis, 18 = M. cranio-pharyngalis anterior, 19 = M. cranio-pharyngalis posterior, 20 = M. cranio-postpharyngalis ventralis, 21 = M. labro-epipharyngalis, 22 = M. cranio-pharyngalis lateralis, 23 = M. fronto-pharyngalis medialis, 24 = M. fronto-pharyngalis lateralis, 25 and 26 = M. fronto-pharyngalis ventralis, 27 and 28 = M. clypeo-pharyngalis, 29 and 30 = M. clypeo-cibarialis, te = tentorium. The figure was built using the visualization software Amira 2020.2 (Thermo Fisher Scientific, https://www.thermofisher.com).