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Any reference in WSU printed material published prior to the passage of Initiative 713 in November 2000 regarding trapping of animals is outdated. "Body-gripping" traps are now illegal to use on "animals" in Washington state. Washington State University explicitly does NOT recommend this control measure. Mouse and rat traps are excepted. For questions regarding the initiative and animal damage control, contact Steve Dauma of Washington Fish and Wildlife at 360-902-2380. Current legal and legislative action might change the impact of Initiative 713. "Managing" pests by using the dynamic interactions of environment, pest, and host is the key to the IPM approach. It may mean moving a planting date or irrigating only during morning hours to employ nature on your side. When growers employ more than one strategy, they integrate practices, hence IPM. This primer does not apply to a specific crop. It explains how to reduce the amount of chemical pesticides on crops by 1) monitoring pest populations, 2) using natural control measures and resistant varieties, and 3) timing needed sprays to coincide with the most vulnerable point in the pest's life cycle or stage. Less chemical use lowers the chance of groundwater contamination. 20 pages.