peripheral nervous system
 |__chordotonal neuron___________
sensory organ cell               |
 |__chordotonal neuron___________|
mechanosensory neuron            |
 |__chordotonal neuron___________|
 |__adult mechanosensory neuron__|
adult neuron                     |
 |__adult PNS neuron_____________|
adult sensory neuron             |
 |__adult mechanosensory neuron__|
PNS neuron                       |
 |__chordotonal neuron___________|
 |__adult PNS neuron_____________|
                                 adult chordotonal neuron  171 rec.
                                  |__adult prosternal chordotonal organ neuron 2 rec.
                                  |   |__lateral neck chordotonal organ neuron 1 rec.
                                  |   |__medial neck chordotonal organ neuron 1 rec.
                                  |__adult SNpp42 neuron
                                  |__adult SNpp44 neuron
                                  |__adult SNpp46 neuron
                                  |__adult SNpp48 neuron
                                  |__adult SNpp49 neuron
                                  |__Johnston organ neuron 134 rec.
                                  |   |__grooming behavior Johnston organ neuron
                                  |   |__Johnston organ neuron activated by antennal displacement(+) 10 rec.
                                  |   |__Johnston organ neuron inhibited by antennal displacement
                                  |   |__multiple zone Johnston organ neuron(+) 15 rec.
                                  |   |__zone A Johnston organ neuron(+) 18 rec.
                                  |   |__zone B Johnston organ neuron(+) 9 rec.
                                  |   |__zone C Johnston organ neuron(+) 27 rec.
                                  |   |__zone D Johnston organ neuron(+) 4 rec.
                                  |   |__zone E Johnston organ neuron(+) 27 rec.
                                  |   |__zone F Johnston organ neuron(+) 9 rec.
                                  |__mechanosensory neuron of leg chordotonal organ 37 rec.
                                  |   |__ascending mechanosensory neuron of leg chordotonal organ
                                  |   |__mechanosensory neuron of femoral chordotonal organ(+) 25 rec.
                                  |   |__non-ascending mechanosensory neuron of leg chordotonal organ(+) 4 rec.
                                  |__mechanosensory neuron of Wheeler's organ