Movie 5.

AFBp cells from the ventral side of the abdomen reached the dorsal midline. Representative dorsal view movie of the anterior part of the abdomen of a fly expressing CD4::tdGFP driven by c833-Gal4 plus ppl-4kb-Gal80 in AFBp cells. AFBp cells entered the tergite by 43 h APF and reached the dorsal midline by 50 h APF. Anterior is to the upper left. Scale: 100 μm.