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Calico scale on walnuts: Problem of soft scales on walnut increasing but natural enemies still exert suppressing influence on calico scale

California Agriculture > Volume 10 > Number 9  > research article 

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Authors

A. E. Michelbacher, University of California, Berkeley.
Stephen Hitchcock, University of California, Berkeley.

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.

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Author notes

The earlier investigations which revealed that the Audubon's warbler attacks the calico scale were made by Homer Lowe, at that time Entomologist with the Anderson Ranch, Linden.

Calico scale on walnuts: Problem of soft scales on walnut increasing but natural enemies still exert suppressing influence on calico scale

A. E. Michelbacher, Stephen Hitchcock
University
of
California
Division of Agriculture
and
Natural Resources
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Calico scale on walnuts: Problem of soft scales on walnut increasing but natural enemies still exert suppressing influence on calico scale

California Agriculture > Volume 10 > Number 9  > research article 

< Previous | Table of Contents | Next >

< Previous | Table of Contents | Next >

Share using any of the popular social networks Share by sending an email Print article
Share using any of the popular social networks Share by sending an email Print article

Authors

A. E. Michelbacher, University of California, Berkeley.
Stephen Hitchcock, University of California, Berkeley.

Publication Information

California Agriculture 10(9):6-6.

Published September 01, 1956

PDF  |  Citation  |  Permissions

Author Affiliations show

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.

Full text

Full text is available in PDF.

Author notes

The earlier investigations which revealed that the Audubon's warbler attacks the calico scale were made by Homer Lowe, at that time Entomologist with the Anderson Ranch, Linden.

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