3.7kb F-element insertion at +3760bp.
Ocellus colour: colourless. Testis colour: colourless. Malpighian tubule colour: pigmented. Eye colour: yellow. Eye colour: wsp1/we59 females have uniformly coloured eyes which are darker than either homozygous wsp1 or homozygous we59 females. Eye colour: white, in homozygous z1 we59 females. Eye colour: yellow, in z1/z1 we59/+ females. Eye colour: lighter than z+ we59 males in z1 we59 males.
Eye colour: when heterozygous with wsp1 orange-brown at eclosion; mottling almost gone after first day; eyes slowly darken.
Dosage compensated in males.