Insertion of a second full-length Idefix element close to the 3' end of the Idefix element present in wIR6RevII-7. This second Idefix element is orientated so that the 5' end of the Idefix element is proximal to the w transcription unit.
Mutant males have testes that are wild-type in pigmentation.
Eye colour: brick-red.
Revertant. Arose in: a wIR6RevII-7 RevIII-7bRevIII-7b line.