Calag Archive
Calag Archive
Calico scale on walnuts: Problem of soft scales on walnut increasing but natural enemies still exert suppressing influence on calico scale
Publication Information
California Agriculture 10(9):6-6.
Published September 01, 1956
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Abstract
The Audubon's warbler and a wasp parasite work together to hold the calico scale—potentially destructive on walnuts —under control. This occurs even under conditions where—because of the tendency of the newer insecticides to interfere with natural enemies—other un-armored scale population has increased.