Pickel, C., Olson, W.H, Zalom, F.G., Buchner, R.P, Krueger, W.H., & Reil, W.O. 2005 UC IPM Pest management guidelines: Prune.. Publication (University of California Cooperative Extension) 3389.
Notes: [http://www.ipm.ucdavis.edu/PDF/PMG/pmgprune.pdf, accessed February 2005.] Technical guidelines are provided for control of Diaspidiotus (=Quadraspidiotus) perniciosus, Epidiaspis leperii and Parthenolecanium corni as well as other insects and pests, diseases and weeds.