Biological control of ash whitefly: a success in progress
Tom S. Bellows, UC Riverside
Timothy D. Paine, UC Riverside
Juli R. Gould, UC Riverside
Larry G. Bezark, Cal-EPA
Joe C. Ball, Cal-EPA
Richard L. Coviello
Carl Koehler, UC Berkeley
Richard H. Molinar
Neil V. O'Connell
California Agriculture 46(1):24-28. DOI: 10.3733/ca.v046n01p24.
Two natural enemies of ash whitefly (Siphoninus phillyreae), jntroduced into California in 1990, proved effective in Southern California field trials, completely controlling this Dest in release sites within -24 months, Evaluations in release sites in Central and Northern California, Arizona and Nevada look equally promising.
T. S. Bellows is Associate Professor, UC Riverside; T. D. Paine is Assistant Professor, UC Riverside; J. R. Gould is Postgraduate Research Associate, UC Riverside; L. G. Bezark is Environmental Research Scientists, Department of Pesticide Regulation, Cal-EPA; J. Ball is Environmental Research Scientists, Department of Pesticide Regulation, Cal-EPA; Farm Advisor, Kern County; Farm Advisor, Fresno County; Farm Advisor, Ventura County; Farm Advisor, Fresno County; retired Farm Advisor, Tulare County; IPM Specialist, Parks Department, City of Davis; retired Specialist, UC Berkeley; Farm Advisor, Alameda County; Farm Advisor, Tulare County; Farm Advisor, Stanislaus County; Farm Advisor, Sacramento County;
* Additional co-authors are: Walt Bentley, Richard Covieilo, Jim Downer, Pam Elam, Don Flaherty, Patty Gouveia, Carl Koehler, Richard Molinar, Neit O'Connelt, Ed Perry, Greg Vogel
The authors thank Prof. D. Gerling and Prof. G. Viggiani and Drs. K. Hopper, A. Kirk and L. Knutson for their assistance in obtaining natural enemies of Siphoninus phillyreae. This project was supported in part by grants from California Tree Fruit Agreement, California Pistachio Commission, California Association of Nurserymen, California Nurses Growers Association, Citrus Research Board, University of California IPM Program, the International Society of Arboriculture, and the Agricultural Commissioner's offices of San Diego, Orange, Los Angeles, Riverside and Santa Barbara counties.