UASt regulatory sequences drive expression of Snoo.
dorsal appendage, with Scer\GAL4CY2
egg operculum, with Scer\GAL4CY2
Expression of SnooScer\UAS.cSa under the control of Scer\GAL4CY2 results in a reduction in the size of the operculum and a shift of the dorsal appendages towards the anterior.