UAS regulatory sequences drive expression of a short inverted repeat.
Females heterozygous for stgGL00513 and MTD-Gal4 (consists of Scer\GAL4otu.T:Hsim\VP16, Scer\GAL4nos.PG and Scer\GAL4nos.UTR.T:Hsim\VP16) crossed to stgGL00513 males results in: 31% hatching; egg/embryonic phenotype: "empty, all white"; maternal effect.