Flies remain dusty in a dust removal assay. They are lethargic, performing their leg sweeping and rubbing moveents slowly. Leg rubbing is awkward with their legs frequently crossing rather than rubbing back and forth. Though flies can fly their walking is very slow, and they tend not to go anywhere after being moved. High levels of responsiveness in a single bristle scratch reflex test.
Transposase-induced excision of the P insertion is accompanied by phenotypic reversion of the mutant phenotype.