Marco E. Metzger, Ph.D. is a public health biologist specializing in urban pest insects and insects of medical importance with the Vector-Borne Disease Section of the California Department of Health Services. Dean F. Messer, Ph.D., is a project scientist specializing in watershed hydrology and stormwater management with Larry Walker Associates Inc. Catherine L. Beitia is an environmental specialist involved with the Caltrans Storm Water Management Program with the California State University, Sacramento, Office of Water Programs. Charles M. Myers is a supervising public health biologist with the Vector-Borne Disease Section of the California Department of Health Services. Vicki L. Kramer, Ph.D., is chief of the Vector-Borne Disease Section of the California Department of Health Services. The authors acknowledge the contributions made by personnel at the Greater Los Angeles County Vector Control District, San Gabriel Valley Mosquito and Vector Control District, Los Angeles County West Vector Control District, and San Diego County Vector Surveillance and Control, especially Susanne Kluh, Mike Devine, J. Wakoli Wekesa, Jeanne-Marie Lane, Toby Roy, and Brian Currier. Also, many thanks to those who contributed to the nationwide vector/BMP investigation.