Lethality occurs during the third larval instar. Mutant third instar larvae are short.
Stated in FBrf0125054 that the P{lacW}Hsc70-3G0466b insertion was isolated from a multiple insertion line, with a second site at 3A (identified by in situ hybridization). Retracted in FBrf0173192; site at 3A stated to have been artifactual.