The expression of PsndsRNA.shRNA.Scer\UAS.1 under the control of Scer\GAL4Act5C.PU leads to early- to mid-pupal lethality, as compared to control; expression under the control of Scer\GAL4bbg-C96 leads to mildly thickened L3 and L4 veins near the wing margin, as compared to controls.