Defects in the development of cuticle in the tergites and sternites of the adult.
Wild type phenotype at 18oC and abdominal malformation at 25oC.
Tergites and sternites show defects in cuticle. Homozygous viable at 18oC (wild-type) and 25oC (mutant); lethal at 28oC (Lewis, Kaufman, Denell and Tallerico, 1980).
R. Lewis.