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CITY OF EVERETT STORMWATER MANAGEMENT MANUAL Appendix D — Example of an Integrated Pest Management Program IPM is a natural,long-term, ecologically based systems approach to conholling pest populations. 7his system uses techniques either to reduce pest populations or maintairi them at levels below those causing economic injury,or to so manipulate the populatians that they arc prevented from causing injury. The goals of integrated pest management are to encourage optimal selective pesticide ace(away from prophylactic, broad spectrum use),and to maximize natural controls to minimize the environmental side efCects. A step-by-step comprehensive integrated pest management program is provided below as a guidc. Introductioo This section provides a sound cultural approach to managing lawns and landscapes and minimiang runof(. Meny homeowners or property managers will bc able to implement most or alI of this approach;others will wish to hire these services out. For the do-it yourselfer,an array of resources is available to assist in thc effort. Landscaping businesses,agricultural extensions, Iocal agencies,master gardener programs,Iceal nurseries,and the library can all provide assistance. Landscaping professionals(businesses)are paAicularly encouraged to practice fPM. DefioiNoo "[PM,or IPM, is en approach to pest control that uses regular monitoring to determine if and when treatmenu are needed,and employs physicel,mechanical,cuitural,and biological tactics to keep pest numbers low enough to prevent intolerable damege or annoyance. Least-toxic chemical controls are used as a lest resort" True integrated pest manegement is a powerful approach that anticipates and prevents most problems through proper cWturul practices and careful observation. Knowledge of the life cycles of the hosl plants and both beneficial and pest organisms is also importen!. The integated pest management section of this study guide is edapted from Leazt Toxic Pest Management for Lawns by Sheila Daer. Following the integrated pest management process gives you the information you aeed to minimize damage by wceds, diseases,and pests and to treat those problems with the least toxic approeches. The IPM Procws Step Ooe: Correctly identlfy problem pesta aod under�taod their 6fe cycle. , Leam more about the pest. Observe it and pay attention to any damage that may be occurting. Leam about thc life cycic. Many pests are only a problem during certain scatons,or cen only be trealed effectively in certein phases of the life cycle. Step Two: Estab:i�h toleraoce thres6olds for pests. Every landscapc hes a population rf some pest insects,wceds,and diseases. This is�ood because it supports a populazion of beneficial species that kcep pest numbers in check. Beneficial organisms may compete with,eet,or parasitize disease or pest orbanisms. Dcside on ihe level of infestation that must be exceeded before treetment nceds to be considered. Pest populations undcr this threshold should be monitared but dodt need treatment. For instance, European crane Oies usually don't do serious da�nage to a lawn unless there arc 25 to 40 larvac per square foot fecding on the turf in February(in nortnel weather years). Also, most people consider a lewn hralthy and well maintained even with up to 20 percent weed cover,so treatment,other than continuing good maintenance practices,is generally unnecessary. Appendices D-i