Bentley, W. J., L. G. Varela, F. G. Zalom, R. J. Smith, A. H. Purcell, P. A. Phillips, D. R. Haviland, K. M. Daane, and M. C. Battany, June 2006. UC IPM Pest Management Guidelines: Grapes. ANR Publication 3448. http://www.ipm.ucdavis.edu/PMG/selectnewpest.grapes.html Haviland, D.R and J.