Oregon

Recognize fruit damage from spotted wing drosophila, Drosophila suzukii. 2010. Walton, V., J. Lee, D. Bruck, P. Shearer, E. Parent, T. Whitney, A. J. Dreves. 2010. OSU Extension Publication EM 9021.

A new pest attacking healthy ripening fruit in Oregon
2009 OSU Extension Service document EM8991.pdf Authors: Amy Dreves; Vaughn Walton; Glenn Fisher.
This document describes the basic life cycle of D. suzukii and gives preliminary management strategies, potential horticultural impact, and contact information for research entomologists.

Washington

Spotted wing drosophila (SWD) monitoring, identifying, and fruit sampling. 2011. Gerdeman, B.S., L.K. Tanigoshi, G.H. Spitler. Washington State University Extension Fact Sheet. FS049E. 

Integrated Pest Management (IPM) for Successful Management on Organic Farms and in Home Gardens

California

Pest Notes: Spotted Wing Drosophila. 2011. Caprile, J.L., M.L. Flint, M.P. Bolda, J.A. Grant, R. Van Steenwyk, D.R. Haviland. UC ANR Publication 74158.

Cherry: Spotted Wing Drosophila. In: Cherry Pest Management Guidelines: Insects. 2010. Grant, J.A., J.L Caprile, W.W. Coates, R.A. Van Steenwyk, K.M. Daane.  UC ANR Publication 3440.  

Van Steenwyk, R.A., J. Grant, J. Caprile. 2011. Two Page ID Cards for SWD males and females.