Heterozygous female has wings with no crossveins; L5 shortened. Wings asymmetric in size and blistered. L3 very thick; gaps in L3 and L4. Extra veinlets; veins may fork at wing edge Wings often excised terminally and along inner margin. RK3.
R. C. King, Aug. 1949.
Mutagen comment: 32P administered by feeding.
Viability 65% normal. Phenotype very variable, overlaps wild type.