Stage 17 hafNIG-14351R; Scer\GAL4how-24B embryos display a range of defects in the trajectory of the ISNb with a penetrance of around 30%. ISNb defects include truncation and bypassing the ventral-lateral muscle field (the normal targets for innervation by ISNb).
hafNIG-14351R Scer\GAL4αTub84B.PL is embryonic lethal.