By Robert van den Bosch, P. S. Messenger, A. P. Gutierrez (auth.)
This quantity is a revision of organic keep watch over via R. van den Bosch and P. S. Messenger, initially released by means of Intext Publishers. within the revision, i've got tried to maintain the unique subject matter, and to replace it with present examine findings and new chapters or sections on insect pathology, microbial keep watch over of weeds and plant pathogens, inhabitants dynamics, built-in pest administration, and economics. The publication was once written as an undergraduate textual content, and never as a whole assessment of the topic region. a number of extra comprehen sive volumes were written to function handbooks for the specialists. This e-book is designed to supply a concise assessment of the complicated and beneficial box of organic regulate and to teach the relationships to the constructing thoughts of built-in pest administration. inhabitants legislation of pests through traditional enemies is the key topic of the ebook, yet different organic tools of pest regulate also are mentioned. The bankruptcy on inhabitants dynamics assumes a precalculus-level wisdom of arithmetic. writer names of species are indexed just once within the textual content, yet all are indexed within the Appendix. Any blunders or omissions during this quantity are my sole accountability. A. P. Gutierrez Professor of Entomology department of organic keep an eye on college of California, Berkeley vii Acknowledgments Very designated thank you has to be given to my colleagues, Professors C. B. Huffaker and L. E. Caltagirone, for the very thorough overview they supplied and for the numerous optimistic feedback they gave. Dr.
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The results of these colonizations were dramatic. The lady beetles multiplied and spread rapidly throughout the Southern California citrus-growing region. So did the other natural enemy, the cryptic little parasitic fly Cryptochetum, which had been colonized along with the vedalia. Scale infestations were reduced sharply, and within months the Southern California cottony-cushion scale epidemic had been reduced to harmless levels. The Post-Vedalia Expansion of Biological Control The marked success of the cottony-cushion scale project in California and its extension to many other parts of the world, coupled with its permanency, simplicity, and cheapness, led to enthusiastic support of similar ventures toward the solution of other agricultural pest problems.
Syrphid flies and green lacewings). By contrast, the parasitoid is invariably parasitic only in its immature stages and develops within or upon a single host, that is slowly destroyed as the parasitic larva completes its development. The parasitoid adult is usually free living, feeding on such foodstuffs as nectar, honeydue, and sometimes host insect body fluids. The biologies of parasitic species are immensely varied and fascinating. 1). The predatory insect either lies in wait to pounce upon its unsuspecting victim, runs it down, or-where the host is sessile or semisessile-may literally browse off the population.
1976. Theory and Practice of Biological Control. Academic Press: New York. p. 788. Laing, J. , and J. Hamai. 1976. Biological control of insect pests and weeds by imported parasites, predators and pathogens. In: C. B. Huffaker and P. S. ) Theory and Practice of Biological Control. Academic Press: New York. pp. 685-693. McCook, H. 1882. Ants as beneficial insecticides. Proc. Acad. Nat. , Philadelphia. A. 1964. Beneficial Insects. Harper & Row: New York. 429 pp. Sweetman, H. L. 1936. The Biological Control of Insects.
An Introduction to Biological Control by Robert van den Bosch, P. S. Messenger, A. P. Gutierrez (auth.)