UASt regulatory sequences drive expression of a Pvr cDNA.
lethal - all die during embryonic stage, with Scer\GAL4da.G32
lethal - all die during embryonic stage, with Scer\GAL4e33C
some die during embryonic stage, with Scer\GAL4da.G32
some die during embryonic stage, with Scer\GAL4e33C