|Authors :||Clausen, Curtis P., Berry, Paul A.|
|Title:||The Citrus Blackfly in Asia, and the Importation of Its Natural Enemies into Tropical America.|
|Publication info:||Beltsville, MD: U.S. Department of Agriculture, National Agricultural Library, Alternative Farming Systems Information Center
|Rights/Permissions:||Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S.|
The Citrus Blackfly in Asia, and the Importation of Its Natural Enemies into Tropical America.
Clausen, Curtis P., Berry, Paul A.
Washington DC: : United States Department of Agriculture, August 1932
Citrus fruits Diseases and pests Asia
Parasitic insects Asia
F821 Pests of Plants (Insects and Other Arthropods)
animal pathogenic fungi