Percentage embryonic lethality in lines expressing ciScer\UAS.cPa under the control of various Scer\GAL4 driver lines: 46% (Scer\GAL4e22c driver), 69% (Scer\GAL4ptc-559.1 driver) and 31% (Scer\GAL4en-e16E driver). Percentage larval/pupal lethality in lines expressing ciScer\UAS.cPa under the control of Scer\GAL471B : 62%.