Inhibition (using Ctet\tetXTNT-LC.UAS) of Scer\GAL4Or33c.PF cells, or the combination of Scer\GAL4Or85a.PF, Scer\GAL4Or83c.PF and Scer\GAL4Or33c.PF cells, in flying adults does not substantially affect odor stream avoidance and attraction, compared to controls.