Insertion at -16.7kb.
vriKG01220/vrik05901 flies have wings which are shorter than normal and which bend downwards, and the posterior scutellar bristles are upturned. vriKG01220/vri5R5.24 wings are smaller than wild type and have notches at the anterior margin. Multiple regions of the wing have atrophic or missing hairs which appear as non-pigmented zones on the wing surface.