epithelial tube
 |__tracheal section____________
ectodermal derivative           |
 |__dorsal ectoderm derivative__|
                                adult tracheal section  85 rec.
                                 |__adult abdominal superficial tracheal branch 9 rec.
                                 |   |__adult dorsal superficial tracheal branch(+) 7 rec.
                                 |   |__adult ventral superficial tracheal branch(+)
                                 |__adult cervical trachea 7 rec.
                                 |__adult cibarial muscle tracheal branch 1 rec.
                                 |__adult dorsal tracheal branch 9 rec.
                                 |   |__adult abdominal dorsal tracheal branch(+) 2 rec.
                                 |   |__adult metathoracic dorsal tracheal branch 2 rec.
                                 |   |__adult prothoracic dorsal tracheal branch 2 rec.
                                 |__adult ganglionic tracheal branch
                                 |   |__adult ganglionic tracheal branch 0
                                 |   |__adult ganglionic tracheal branch 1
                                 |   |__adult ganglionic tracheal branch 2
                                 |__adult haltere tracheal branch
                                 |__adult labial tracheal branch 4 rec.
                                 |__adult leg tracheal branch 3 rec.
                                 |   |__mesothoracic leg tracheal branch
                                 |   |__metathoracic leg tracheal branch 1 rec.
                                 |   |__prothoracic leg tracheal branch 2 rec.
                                 |__adult maxillary palp tracheal branch 2 rec.
                                 |__adult mediosternal tracheal branch 2 rec.
                                 |__adult spiracular tracheal branch 1 rec.
                                 |   |__adult abdominal spiracular tracheal branch(+) 1 rec.
                                 |   |__adult spiracular tracheal branch 1
                                 |   |__adult spiracular tracheal branch 2
                                 |__adult tracheal air sac 28 rec.
                                 |   |__abdominal air sac 3 rec.
                                 |   |__anteroscutal air sac 2 rec.
                                 |   |__dorsal air sac 11 rec.
                                 |   |__head air sac(+) 9 rec.
                                 |   |__hypopleural air sac 2 rec.
                                 |   |__metathoracic air sac 2 rec.
                                 |   |__parenteric air sac 4 rec.
                                 |   |__propleural air sac 3 rec.
                                 |   |__sternopleural air sac 3 rec.
                                 |__adult tracheal dorsal trunk 5 rec.
                                 |__adult tracheal lateral trunk 4 rec.
                                 |__adult tracheal transverse connective 3 rec.
                                 |   |__adult tracheal transverse connective 1
                                 |   |__adult tracheal transverse connective 2
                                 |   |__adult tracheal transverse connective 3
                                 |   |__adult tracheal transverse connective 4 2 rec.
                                 |   |__adult tracheal transverse connective 5
                                 |   |__adult tracheal transverse connective 6
                                 |   |__adult tracheal transverse connective 7
                                 |__adult ventral tracheal anastomosis 2 rec.
                                 |   |__adult ventral tracheal anastomosis 0
                                 |   |__adult ventral tracheal anastomosis 1
                                 |   |__adult ventral tracheal anastomosis 2
                                 |__adult visceral tracheal branch 20 rec.
                                 |__adult wing tracheal branch