Davidson, J.A., & Raupp, M.J. 1999 . Landscape IPM: Guidelines for Integrated Pest Management of Insect and Mite Pests on Landscape Trees and Shrubs [Bulletin 350]. Maryland Cooperative Extension, University of Maryland College Park, MD 109 pp.
Notes: This manual provides introductory information primarily for the landscape management industry to aid in the development of IPM programs in order to reduce unneeded insecticide and miticide use in urban and suburban landscapes. Topics are biological control including a review of useful parasites and predators, pest monitoring, a month-by-month calendar showing activity of the problem insects, a list of preferred host plants with their associated pests, pesticide recommendations, and a review of pest insects with illustrations, field descriptions, damage symptoms, monitoring techniques and control recommendations for each. The scales reviewed are Aspidiotus cryptomeriae, Asterolecaium variolosum, Carulaspis juniperi, C. minima, Ceroplastes ceriferus, Chionaspis pinifoliae, Cinara strobi, Dysmicoccus wistariae, Eriococcus azaleae, Eulecanium cerasorum, Ferrisia virgata, Fiorinia externa, Gossyparia spuria, Lepidosaphes ulmi, L. yanagicola, Lopholeucaspis japonica, Melanaspis obscura, M. tenebricosa, Mesolecanium nigrofasciatum, Neolecanium cornuparvum, Parthenolecanium fletcheri, P. quercifex, Pseudaulacaspis pentagona, P. prunicola, Pseudococcus longispinus, Pulvinaria floccifera, P. innumerabilis, Quadraspidiotus perniciosus, Toumeyella liriodendri, T. parvicornis, T. pini and Unaspis euonymi.