ScerGAL4cb01 drives expression in the anmioserosa, in all imaginal discs, in the larval central nervous system including the brain, and in the adult testis. During oogenesis, ScerGAL4cb01 drives expression in the terminal filament and in germarium region 1, in a few scattered follicle cells, in the oocyte at stages S8-13, in the dorsal appendage forming follicle cells, and in the aeropyle.