visible
interocellar bristle
ocellar bristle
ocellus
postocellar bristle
Phenotypic series from the strongest to weakest oc allele: ocdb/ocdb > oc1/oc+ > ocγa1/oc+ > oc2/oc+ > oc1/oc1 > ocγa1/ocγa1 > oc2/oc1 > oc2/ocγa1.
Ocelliless; ocellar, interocellar and postvertical bristles variably extra, missing, or misplaced with about 80% penetrance.
Homozygous flies are viable and have altered bristle patterns in the region of the ocelli.
Mohler.