A deletion which removes CG12964 and the entire IR52 cluster resulting from FLP-catalyzed recombination using the FRT-containing transposons PBac{WH}f01317 and PBac{RB}GalNAc-T1e02175.
Df(2R)Δcd/Df(2R)IR52a-d mutant males show a prolongation of the time taken to achieve successful copulation.