Flies are slightly smaller than normal. Eyes are either small, or deformed in shape and rough. Wings have a slightly abnormal shape and wing vein L4 often stops well short of the wing edge. Male viability is approximately 50% of wild-type. Females are very infertile.
Eyes rough; either small or deformed. Wings slightly atypical; inner margin frequently removed by large irregular incisions; L4 frequently stops well short of the wing edge. Flies slightly smaller than normal. Males about 50% as viable as wild type and fertile; females highly infertile. RK2.
Fahmy, 1955.