There is enough money involved to justify detailed evaluation

This work was supported by a cooperative agreement between the U.S. Environmental Protection Agency and the University of California, Davis, under the California Integrated Pest Management Project.

The author gratefully acknowledges the assistance of Robert Curtis of the Almond Board of California, Stephen Heinrichs, of the California Almond Growers Exchange, Clyde Harter of Tenneco West, and growers Thomas Almberg, Clarence Downing, and Del Gruebele, as well as the technical advice of Wilbur Reil and John Labavitch of the Department of Pomology. Credit is due to Dale Morrison of the Almond Board of California and to Martin Barnes of the University of California at Riverside for their counsel and encouragement.