The present work was conducted to evaluate specific spray techniques (conventional motor sprayer, taral motor sprayer with three Tee-Jet nozzles D8-45 taral motor sprayer with three TeeJet nozzles D5-45 and taral motor sprayer aperture 2) for controlling plum scale insect, Parlatoria oleae on olive trees using super masrona oil at rate 1-5% alone or mixed with Sumithion (50%Ec) at rate of 0-15%. Percentages reduction of pre-adult, adult and gravid females were the highest in the unit spray taral motor sprayer with three Tee-Jet nozzles D8-45 using oil mixed with Sumithion showing 92.03, 89.55 and 97.75% , respectively , followed by tar.al motor sprayer with three Tee-Jet nozzles D5-45 which revealed 59.12 , 40.16 and 48.44% respectively. Results assured the superiority of taral motor sprayer with three Tee-Jet nozzles D5-45 over the other three tested sprayers.