noted that T. castaneum adults were more susceptible to ozone than adults of R. dominica, Oryzaephilus surinamensis and the rusty grain beetle, Cryptolestes ferrugineus (Stephens) (Coleoptera: Laemophloeidae). In the same work, the authors noted that ozonewas highly effective for the control of adults of the psocids Liposcelis bostrychophila Badonnel (Psocoptera: Liposcelididae) and Liposcelis paeta Pearman, but ineffective for psocid eggs.