P{lacW} insertion in the 5' long terminal repeat (LTR) of the 3S18 element in DrMio. The P{lacW} element is oriented such that the direction of Ecol\lacZ transcription is opposite to that of Dr transcription.
visible
eye
Mutants show a partial reduction in the eye.
Revertant. Selected as: a mutation resulting in suppression of the DrMio/+ eye phenotype.