| Number | 4 |
| Description | Staining is restricted to the pedunculus of the mushroom bodies,and the most dorsal tips of the alpha lobes. The cell body of a single neuron that is extrinsic to the mushroom bodies (may be a feedback neuron)is visible on the left hemisphere. |
| Method | X-Gal stained cryostat section |
| Orientation | Frontal |
| Position | 12 |