Deletion that removes part of MED1. Generated by imprecise excision of P{EPgy2}EY01286; a portion of the original insertion remains.
MED1Δ9 homozygotes hatch, but larvae display growth retardation, arrest development at the L1 or L2 stages, but do not show any external cuticular defects.
MED1Δ9 is rescued by MED1Ubi-p63E.A