sd1/+ adults exhibit jagged wing margins.
sd1 mutant flies have scalloped wings.
Homozygotes have gaps in the wing margin.
Pupae display gaps around the entire wing margin.
Ectopic bristles are never seen on the wing veins.
RK1. Wing margins scalloped and veins thickened. Eyes slightly roughened. Does not overlap wild type. Additional defects noted are uplifting of posterior scutellar bristles, haltere diminution and ectopic bristles on the wing blade.