Summary
The muscles which move the antennae of locusts and crickets are innervated by motoneurones of the deutocerebral part of the brain. In addition, these muscles receive axon collaterals of two dorsal, unpaired, median (DUM) neurones which are located in the suboesophageal ganglion. These DUM neurones also send axons towards the retrocerebral glandular complex.
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Bräunig, P., Allgäuer, C. & Honegger, H.W. Suboesophageal DUM neurones are part of the antennal motor system of locusts and crickets. Experientia 46, 259–261 (1990). https://doi.org/10.1007/BF01951758
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DOI: https://doi.org/10.1007/BF01951758