P{EP} insertion is in reverse orientation relative to the direction of transcription.
SlhEP2-18/Scer\GAL4ap-md544 is a suppressor of visible phenotype of Bx1, ap[+]/apmd544
SlhEP2-18/Scer\GAL4ap-md544 is a suppressor of wing margin phenotype of Bx1, ap[+]/apmd544