Walnut aphides in California / by W.M. Davidson.
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| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1914.
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| Series: | Bulletin of the U.S. Department of Agriculture ;
no. 100. |
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Table of Contents:
- Introduction. pp. 1.
- The European walnut aphis (Chromaphis juglandicola Kaltenbach). pp. 2.
- The American walnut aphis (Monellia caryae Monelli). pp. 19.
- The little hickory aphis (Monellia caryella Fitch). pp. 26.
- Monellia californica Essig. pp. 34.
- Natural control of walnut aphides. pp. 35.
- Artificial control of walnut aphides. pp. 40.
- Summary. pp. 46.