The work contains information about the spread of Spanish red scales as an olive pest, as well as its negative economic significance and insecticides used against them. The worms of Spanish red scales and its adult forms settle down only on the upper side of the olive leaves. An intensive settlement of the pest causes the leaf loss as well as the total drying of the sprout . According to our data, about 36.8 to 50 various phases of Spanish red scales settle down of the olive leaves. The following insecticides were used against them: Nuriel De, B - 58 New, Krali and Dursbani.