Personal communication from: Ueli Grossniklaus, University of Basel To: Bloomington Drosophila Stock Center Dated: 4/10/92 Information communicated: Insertion symbol P{lArB}A490.2M3 Insertion phenotype unknown Localization 68F Basis for localization in situ Other/Comment chromosome is homozygous lethal Insertion symbol P{lArB}B72.1M3 Insertion phenotype viable | fertile Localization 64D Basis for localization in situ