FlyBase curator comment: this entry is used to capture phenotypic information when the particular allele (or allele combination) used by the author could not be determined but the context of the experiment suggests that the phenotype being described is some kind of loss of function.
scutum & macrochaeta
Adult escapers have missing bristles on the head and notum and blistered wings with some disruption of the wing veins. Larvae are defective in locomotor behaviour.