Contains the entire genomic region of Vps33B.
wing, with Df(3R)Vps33B5.20
Df(3R)Vps33B5.20 homozygotes bearing one copy of Vps33B+tCH322-65H17 show a 'blemished wing' phenotype.
Vps33B+tCH322-65H17 partially rescues Vps33B5.20