Orobitis cyanea mature larva, clypeus, labrum, epipharynx and mandible A, B clypeus and labrum (SEM micrographs) C clypeus, labrum and epipharynx D epipharynx with ribs. Abbreviations: clss – clypeal sensorium, setae: ams – anteromedial, als – anterolateral, cls – clypeal, lrs – labral.