Figure 6: Single and double mutants for scarlet and ok.

(A) Wild type H. armigera has functional wild type scarlet and ok genes and green eyes. (B) Homozygous mutant for ok with black eyes. (C) Homozygous mutant for Ha-st^−/− with yellow eyes. (D) Double mutant (Ha-st^−/− and Ha-ok^−/−) with white eyes.