Bentley, W.J., Coates, W.W., Hasey, J.K., Hendricks, C.L., Olson, W.H, Pickel, C., Sibbett, G.S., & Van Steenwyk, R.A. 2000 Pests of walnut.. UC Pest Management Guidelines

Notes: [http://www.ipm.ucdavis.edu/PMG/selectnewpest.walnuts.html] This update to the University of California IPM Pest Management Guidelines contains descriptions and control recommendations for insects, arthropod and nematode diseases of walnut in the U.S., including Parthenolecanium corni, P. pruinosum, Quadraspidiotus perniciosus and Q. juglansregiae.