The following information accompanied stocks donated to the Bloomington Stock Center by Hugo Bellen, Baylor College of Medicine. The senseless-GAL4 driver used in Pappu et al. 2011 (FBrf0213605) originated in the Bellen lab. P{sens-GAL4.B}1 is a homozygous and hemizygous viable and fertile, X chromosome insertion. -- Kevin Cook, Ph.D. Bloomington Drosophila Stock Center http://flystocks.bio.indiana.edu