Incomplete excision of the P-element; a 0.5kb insertion is still present.
Eye colour: red pigments are 93 +/- 4% of wild-type levels, brown pigments are 101 +/- 11% of wild-type levels in males. Malpighian tubule colour: yellow (wild-type colour is orange). Testis colour: bright yellow (wild-type colour is bright yellow).
Revertant.