UAS regulatory sequences drive expression of a short inverted repeat.
female semi-sterile, with Scer\GAL4VP16.mat.αTub67C
Females heterozygous for drlHMS01918 and Scer\GAL4mat.αTub67C.T:Hsim\VP16 crossed to drlHMS01918 males results in: 81% hatching; non-maternal effect.