Bristles are shorter than normal and thin. Wings are occasionally upheld and the inner margins are frequently incised. Body colour: there is slight excess pigmentation, particularly on the thorax and posterior border of the abdominal tergites, making the "striped" effect of the anterior segments more marked. Males are viable but sterile.

Short, thin bristles. Body slightly darker than normal, particularly thorax and posterior border of tergites. Wings occasionally upheld and inner margins frequently incised. male viable male-sterile RK3

mib¹ is a suppressor of primary pigment cell | increased number phenotype of phyl²²⁴⁵

mib¹ is a suppressor of photoreceptor cell R1 phenotype of phyl²²⁴⁵

mib¹ is a suppressor of photoreceptor cell R6 phenotype of phyl²²⁴⁵