2.5kb insertion of uncharacterised DNA between exons 4 and 5.
Only 0.1% of Dvir\Sxlf1/Dvir\Sxlf3 females survive.
Only 9% of Dvir\Sxlf2/Dvir\Sxlf3 females survive.
Dvir\Sxlf3/Dvir\Sxlf2 has lethal | female limited phenotype, suppressible | partially by sisAmel2XSE/scmel2XSE
28% of Dvir\Sxlf2/Dvir\Sxlf3 females carrying Mi{mel2XSE} survive.