Deletion of amino acid residues 611 to 760.
ciU.Scer\UAS.T:Ivir\HA1; Scer\GAL4h-H10 and ciU.Scer\UAS.T:Ivir\HA1; Scer\GAL4fng-B flies have normal eyes.
Flies expressing ciU.Scer\UAS.T:Ivir\HA1 under the control of Scer\GAL4ptc-559.1 have variable defects at the distal tip of the wing, including complete notches, a partial absence of vein structures and an absence of sensory bristles only in the posterior part of the L3-L4 margin.