Insertion in the first intron.
Adult hemizygous males die during embryogenesis from stage 13 through the first-instar larval stage.
RalaPG89 is rescued by Scer\GAL4da.G32/RalaUAS.cMa
Expression of RalaScer\UAS.cMa under the control of Scer\GAL4da.G32 restores viability in RalaPG89 hemizygous males.
Precise excision of the insertion reverts the lethal phenotype.