Parasitic And Predaceous Insects in Applied Entomology
The book Parasitic And Predaceous Insects in Applied Entomology was written by author Charles V Charles Valentine Riley Here you can read free online of Parasitic And Predaceous Insects in Applied Entomology book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Parasitic And Predaceous Insects in Applied Entomology a good or bad book?
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In my report as U. S. Entomologist for 1886, in an address before the State Board of Horticulture at Riverside, California, in 1887; in a paper before the Philosophical Society of Washington in the winter of 1888, and elsewhere, I urged, with all the force at my com- 9052 No. 2 6 13f> raand, the advisability of endeavoring to introduce the natural enemies which were known to keep it in check in Australia. Certain indige- nous species had been discovered preying upon it in California, and I expr...essed the belief that, as they increased, the fruit-growers would get more and more relief from the Icerya; but I also urged that there was much more chance of success from those which keep it in check in its native home, and which were not imported with it to the countries of its introduction. The case was exceptional, and the attempt thus urged gave every promise of a rich reward. Efforts were made to introduce some of these natural enemies through correspondence, especially with the late F. S.
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