tagma
 |__head____________
sense organ         |
 |__sensillum_______|
cell cluster organ  |
 |__sensillum_______|
                    head sensillum  7170 rec.
                     |__adult head sensillum 7003 rec.
                     |   |__adult antennal sensillum(+) 214 rec.
                     |   |__adult head bristle(+) 1824 rec.
                     |   |__adult labellum sensillum(+) 228 rec.
                     |   |__adult labral sense organ(+) 12 rec.
                     |   |__anterior sensillum of dorsal cibarial sense organ
                     |   |__chemosensory labral sensillum 7
                     |   |__distal sensillum of ventral cibarial sense organ
                     |   |__eyelet 8 rec.
                     |   |__maxillary palp basiconic sensillum(+) 36 rec.
                     |   |__mechano-chemo-sensory labral sensillum(+)
                     |   |__mechanosensory labral sensillum(+)
                     |   |__middle sensillum of ventral cibarial sense organ
                     |   |__ocellus(+) 466 rec.
                     |   |__ocellus sensory structure(+) 15 rec.
                     |   |__ommatidium(+) 5575 rec.
                     |   |__posterior sensillum of dorsal cibarial sense organ
                     |   |__postoccipital trichoid sensillum 2 rec.
                     |   |__proximal sensillum of ventral cibarial sense organ
                     |   |__rostral trichoid sensillum(+) 2 rec.
                     |__embryonic/larval head sensillum 249 rec.
                     |   |__Bolwig organ 221 rec.
                     |   |__buccal tree
                     |   |__campaniform sensillum of larval intercalary segment
                     |   |__distal group terminal organ sensillum(+) 3 rec.
                     |   |__dorsal organ base sensillum
                     |   |__dorsal organ dome sensillum
                     |   |__dorsal pit
                     |   |__dorso-lateral group terminal organ sensillum(+) 9 rec.
                     |   |__dorsopharyngeal organ 6 rec.
                     |   |__embryonic/larval labial segment sensillum(+) 1 rec.
                     |   |__hypopharyngeal organ 15 rec.
                     |   |__knob in pit sensillum
                     |   |__papilla organ 4 rec.
                     |   |__ventral organ sensillum(+)
                     |__labial sensillum 232 rec.
                     |   |__adult labellum sensillum(+) 228 rec.
                     |   |__embryonic/larval labial segment sensillum(+) 1 rec.
                     |__pharyngeal sense organ 17 rec.
                         |__adult labral sense organ(+) 12 rec.
                         |__cibarial fish-trap bristle(+) 2 rec.