Expression of vg^{ΔACT.Scer\UAS} under the control of Scer\GAL4^vg.PU results in a loss of wing bristles and wing tissue. The severity of the phenotype varies from almost complete loss of the wing to small patches of missing bristles in the anterior margin and loss of wing tissue along the posterior margin.

Expression of vg^{ΔACT.Scer\UAS} under the control of Scer\GAL4^ptc-559.1 results in a protruding eye phenotype. Bristles can occur at adjacent vertices of the ommatidium or they can be absent. Duplications of eye bristles are seen and in severe cases as many as three extra bristles at a single vertex are seen. The size of the eye bristles is also affected. Bristle defects are more frequent along the tip of the eye protrusion. Ommatidial defects, ranging from increases in size, to fusion of adjacent ommatidia, are seen.

Flies expressing vg^{ΔACT.Scer\UAS} under the control of Scer\GAL4^ptc-559.1 have an ectopic cluster of cells between the lamina and the basal membrane that correlates with the location of the protrusion of the eye. The components of the optic lobe are present and appear normal in these flies.

Expression of vg^{ΔACT.Scer\UAS} under the control of Scer\GAL4^ptc-559.1 can results in duplications of the T2 and T3 legs.

Expression of vg^{ΔACT.Scer\UAS} under the control of Scer\GAL4^Dll-md23 results in leg truncations, with the severity varying from los of only a few metatarsals to the loss of all of the metatarsals, tarsus and tibia. Sharp bends in the femur or tibia are also sometimes seen.

Scer\GAL4^vg.PU, vg^ΔACT.UAS has visible phenotype, suppressible by sd^UAS.cSa/Scer\GAL4^vg.PU