sensory neuron
 |__adult sensory neuron__
adult neuron              |
 |__adult sensory neuron__|
 |__adult PNS neuron______|
PNS neuron                |
 |__adult PNS neuron______|
somatic cell              |
 |__sensory organ cell____|
                          adult antennal sensory neuron  871 rec.
                           |__adult antennal lobe receptor neuron 736 rec.
                           |   |__adult antennal olfactory receptor neuron(+) 670 rec.
                           |   |__adult hygrosensory neuron Ir40a(+) 8 rec.
                           |   |__bilateral antennal lobe receptor neuron(+) 592 rec.
                           |   |__neuron of aristal sensillum(+) 23 rec.
                           |   |__unilateral antennal lobe receptor neuron(+) 72 rec.
                           |__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 antennal bristle