Homozygous or heterozygous Su(ss)2 causes ss to have long bristles that are only slightly thin, like a mild Minute; however, the posterior scutellars remain greatly reduced as in unsuppressed ss. RK2.
Temperature-sensitive allele. Suppression more extreme at 29oC than at 17oC; temperature-sensitive period from 5-34 h after onset of puparium formation.