University of Arizona

Crop Pest Losses and Impact Assessment
A Signature Program of the Western IPM Center



Purpose and Background

Purpose. The Crop Pest Losses and Impact Assessment Working Group was established in 2003 with Western IPM Center funding to facilitate the collection of real world data on insect losses in key crops in the low deserts of Arizona and Imperial Valley California. In 2008, surveys were expanded to include other pest types (plant diseases, weeds) and their impact on crop yields, grower economics and pesticide use. Surveys are implemented through face-to-face workshops, and provide insights into pest manager decision-making and the intent behind specific pest management practices. Survey data are valuable for IPM evaluation and needs assessment, identification of stakeholder priorities, education, support of pesticide registration needs, and for responding to federal, regional, and local information requests.

This program is now funded as a Signature Program of the Western IPM Center. Our goal is to expand the reach and implementation of the Crop Pest Losses and Impact Assessment program to other states and crops so that they may learn about IPM practices in use by growers and develop baseline data to evaluate IPM impacts over time. Commodities adopting this process are expected to benefit from the rich data produced.

Funding. This program is now funded as a Signature Program of the Western IPM Center. Our activities are leveraged by resources and in-kind supprot from the Arizona Pest Management Center and UA Cooperative Extension.


Cotton Pest Losses This website includes links to complete historical Arizona Cotton Insect Losses data (1979 to present) and the national cotton insect losses data and related information. The survey questionnaire, workshop presentations, and related publications are also available.

Vegetable Pest Losses Data, publications and presentations related to head lettuce and melon insect losses are available on this site.


This material is based upon work that is supported in part by the National Institute of Food and Agriculture, U.S. Department of Agriculture (USDA NIFA), through the Western Integrated Pest Management Center. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the authors and do not necessarily reflect the view of the U.S. Department of Agriculture.




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