Check out the following links for information on raspberry pest management:
Integrated Pest Management for Raspberries (U of MN Extension)
What’s Wrong With My Plant, Diagnostic Tool (U of MN Extension)
The Berry Diagnostic Tool (Cornell University)
Northwest Berry and Grape Information Network
A collaboration by Oregon State University, University of Idaho, Washington State University and the USDA/ARS, this site contains fact sheets and links to pages related to production practices for raspberries. There are also recommendations and links to general fruit growing topics such as organic production, irrigation, and pollination.
Appropriate Technology Transfer for Rural Areas (ATTRA)
Operated by a private nonprofit, ATTRA provides technical assistance to farmers, Extension agents, market gardeners, agricultural researchers, and other ag professionals in all 50 states. Topics addressed by ATTRA include sustainable farming practices, alternative crops, and innovative marketing. Of interest in this site is a section on organic fruit production for apples, blueberries, brambles, grapes, and strawberries. Also included are guidelines for low-spray apple production and IPM options for strawberries.