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  134 rec.
                                  |__Johnston organ neuron 115 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 19 rec.
                                  |   |__ascending mechanosensory neuron of leg chordotonal organ
                                  |   |__mechanosensory neuron of femoral chordotonal organ(+) 13 rec.
                                  |   |__non-ascending mechanosensory neuron of leg chordotonal organ
                                  |__mechanosensory neuron of Wheeler's organ