The P{lacW} insertion is located at -304nt from the transcription start within the first exon.
wing (with sllS024533b)
wing vein | ectopic | somatic clone (with sll7E18)
wing vein L5 (with sll7E18)
In animals with sll7E18/sllS142214 clones, ectopic wing vein tissue is seen associated with wing vein L2.