Sequence encoding GAL4 followed by a Avic\GFPEGFP.3xP3.Tag:NLS(tra) marker has been inserted into the attP site present in TI{TI}Dsim\Or67a.3RRFP. The loxP cassette containing the Disc\RFPDsRed(T1).3xP3.cHa marker from TI{TI}Dsim\Or67a.3RRFP is still present downstream of the inserted sequence.