Wings are variably abnormal; in the most extreme expression both are reduced to small stubs, in the least extreme they are slightly reduced in size, have partially incised margins and veins L2 and L3 are shifted closer together. Eyes are small and slightly rough. Males are viable and fertile, females are sterile.
Wing abnormalities vary from extreme reduction in size to partial incision of margin with L2 and L3 closer together. Eyes small and slightly rough. male viable male-fertile female-sterile. RK2.