The P{lacW} insertion is within the 5' UTR of hrg, located 261bp downstream of the hrg 5'-most transcription start site.
fertile
lethal - all die before end of larval stage | partially
some die during larval stage | partially
About 50% of homozygotes die as first instar larvae.
Separable from: a separable lethal mutation: unnamed and uncharacterised.