The following information accompanied stocks donated to the Bloomington Drosophila Stock Center by Annelies van der Laan, Leiden University Medical Center (LUMC).
P{UAS-MS2.GFP.nls}1 is an X-chromosome insertion, homozygous viable and fertile.
P{UAS-lacZ.MS2bs}2 is a second chromosome insertion, homozygous viable and fertile.