The following information accompanied stocks donated to the Bloomington Drosophila Stock Center by Alisa Katzen, University of Illinois College of Medicine.
P{stg-lacZ.beta-E2.2}2 is a homozygous viable and fertile insertion on the second chromosome.
P{stg-lacZ.beta-E4.9}2 is a homozygous viable and fertile insertion on the second chromosome.