Insertion of P{BmΔ-w} within an intron.
lethal | recessive
some die during immature adult stage | recessive
some die during larval stage
some die during pupal stage
visible
ommatidium
Lethality occurs during larval, pupal and early adult stages. Adults have a rough eye phenotype, ommatidia contain an excess number of rhabdomeres that sometimes have an abnormal shape.