The central nervous system of adult Apriona germari （Hope） consisted of brain， suboesophageal ganglion and ventral nervecordThere were obvious differentiations among protocerebrum， deutocerebrum and tritocerebrum Ventral nervecord consisted of three pairs of thoracic ganglia， three pairs of abdominal ganglia and the connectives between ganglia The present metathoracic ganglion was fused with the original metathoracic ganglion， the first and the second abdominal ganglion The present third abdominal ganglion was fused by the abdominal ganglia， belonging to segments 5～9 The stomatogastric nervous system consisted of procurrent nerve， labral nerve， frontal ganglion， recurrent nerve， ingluvial ganglion and foregut nerve  The hypocerebral ganglion was absent The ventral sympathetic nervous system was merged into the abdominal ganglia and their lateral nerves The caudal sympathetic nervous system originating from the last abdominal ganglion consisted of sixteen or eighteen pieces of lateral nerves