P-element insertion in exon 4 of Tsen54.
abnormal locomotor behavior | third instar larval stage
abnormal neuroanatomy | third instar larval stage
decreased size | third instar larval stage
lethal - all die before end of P-stage
majority die during P-stage
larval brain | third instar larval stage
Tsen54e02731 homozygous third instar larvae exhibit smaller brain lobes.