When grimL89A.Scer\UAS is driven by Scer\GAL4Bx-MS1096 a notum and wing reduction phenotype is seen. When grimL89A.Scer\UAS is driven by Scer\GAL4GMR.PF, about 20% of animals survive. When grimL89A.Scer\UAS is driven by Scer\GAL4Bx-MS1096, almost no animals survive. grimL89E.Scer\UAS when driven by Scer\GAL4GMR.PF causes an eye reduction phenotype.