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The relatively stable habitat of
an alfalfa field supports a great diversity of life, including
beneficial insects and other arthropods. A number of natural
enemies contribute to suppressing pest insect pest populations
in alfalfa.
Coming soon: In the Site Contents to the right, there will be links to 'Predators'
and 'Parasites' for more information on specific beneficials
found in alfalfa.
The web sites listed below deal
with beneficial insects and biological control in general.
Beneficial insects (Insect Identification
Lab at Virginia Tech)
Images and brief descriptions
of commom beneficial insects
Biological Control: A Guide to Natural Enemies
in North America (Cornell University)
Images and descriptions
of biological control agents of insect, disease and weed pests
Biological Control News (University of Wisconsin)
Newsletter on the use of beneficial organisms for controlling
insect and mite pests
Hymenopteran Parasitoids of Alfalfa and Rangeland Insects (R. R. Youngman)
8 page PDF file describing life history of common biocontrol agents
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