New purple scale parasite: A second natural enemy of citrus pest established in California may be effective in low host infestations
Stanley E. Flanders, University of California College of Agriculture
California Agriculture 6(5):10-14. DOI: 10.3733/ca.v006n05p10.
Stanley E. Flanders is Professor of Biological Control, University of California College of Agriculture, Riverside;
Not available – first paragraph follows:
A second natural enemy of purple scale on citrus is established in California.
The above progress report is based on Research Project No. 1319