Tritocerebrum and suboesophageal ganglion show gaba - like immunoreactivity . they are stained deeply 后脑和食道下神经节也有gaba的分布，髓质染色较深。
2.
Giant inner and outer antenno - cerebral tracts and the fiber tract linking the antennal lobe and tritocerebrum are devoid of staining . the commissure interconnecting the two antennal lobes shows weak gaba - like immunoreactivity . only the thin middle antenno - cerebral tract is labelled 粗大的内触角脑通路、外触角脑通路和嗅叶? ?后脑通路都几乎未着色，两个嗅叶之间的连接显示弱gaba免疫活性，仅细小的中触角脑通路被标记。
