TY - JOUR AU - Sibbett, G. Steven AU - Dibble, John E. AU - Babcock, John D. TI - Black scale now a major olive pest JF - California Agriculture JO - Calif Agr Y1 - 1976/11/01 VL - 30 IS - 11 SP - 12 EP - 13 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v030n11p12 AB - Black scale, Saissetia oleae (Oliver), has, until recently, been a minor pest of olive in California, and the specific chemical controls established for black scale have seldom been used. Chemical control of another scale, Parlatoria, a more serious pest of olive, resulted in some inadvertent control of black scale.