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.
hamunspecified mutant third instar larvae display defects in pain response: their latency response times to a noxious thermal stimulus (decreased nociception) are significantly increased compared to controls.