Displays occasional multiple wing hairs.
Viable as a homozygote or a hemizygote. Weak thoracic bristle and wing hair phenotype. Percentage of dorsal wing surface cells that display abnormal cell polarity and the percentage of wing cells forming more than one hair is more severe at 18oC than 29oC.
inHC31 has wing hair phenotype, enhanceable by pksple.UAS/Scer\GAL4Act5C.PI
Weak in allele.