Wings are very abnormal, ranging from small stubs with only a small amount of longitudinal venation to almost full size with the inner margin cut away, L4 often shortened and/or the posterior crossvein absent. Eyes are smaller than normal and misshaped. Males are fertile and have 50% wild-type viability, females are sterile.

Wings highly abnormal, varying from small stubs to almost full size with inner margin cut away. Vein L4 often shortened and posterior crossvein absent. Eyes small and deformed. wild type. male-fertile male viability about 50% female-sterile. RK2.