Enemies of spotted alfalfa aphid: Lady beetles, hover flies, lacewings are there important native predators of aphids and other economic pests of alfalfa
Ray F. Smith, University of California
Kenneth S. Hagen, University of California
California Agriculture 10(4):8-10. DOI: 10.3733/ca.v010n04p8.
Ray F. Smith is Associate Professor of Entomology, University of California, Berkeley. Kenneth S. Hagen is Assistant Entomologist, University of California, Albany.
Abstract Not Available – First paragraph follows:
Natural enemies—native insect predators and fungus diseases—helped to hold the spotted alfalfa aphid in check during the 1955 season. In some fields an epizootic—corresponding to an epidemic among humans—of a fungus disease prevented damage by the aphid.
Drawings by Celeste Green, Illustrator, Entomology and Parasitology, University of California.
Photograph by Frank Skinner, Senior Laboratory Technician, Biological Control, University of California, Berkeley.
The above progress report is based on Research Projects No. 1330 and No. 1650.