Jhe and clt mutants reduce courtship toward females. Mutant males homozygous for P-element insertions in Jhe or clt showed reduced courtship (***p < 0.001) under red light compared to sibling heterozygous and wild-type controls. Jhee01859 +/+ cltBG01317 mutant males showed significant reductions in courtship compared to either heterozygote or the wild-type control. (N) reflects sample size. Error bars are SEM.