grp[+]/grpGS.M is a suppressor of eye | temperature conditional phenotype of PEKUAS.cMa, Scer\GAL4GMR.PF
The small, depigmented-eye phenotype of flies expressing PEKScer\UAS.cMa under the control of Scer\GAL4GMR.PF is suppressed in a grpGS.M/+ background.