TY - JOUR AU - Bone, Pamela S. AU - Koehler, Carlton S. TI - Controlling ash, olive tree pest: Study describes ash borer infestations, tests management method JF - California Agriculture JO - Calif Agr Y1 - 1991/09/01 VL - 45 IS - 5 SP - 32 EP - 33 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v045n05p32 AB - The ash borer represents a serious threat to ash and olive trees. Larvae invade trunks, and branches throughout the canopy. A single spray of chlorpyrifos applied during the moth flight season protected landscape ash from serious injury.