Download or read book Biological Control of Insect Pests and Weeds written by Paul DeBach and published by . This book was released on 1973 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scope of biological control. The historical development of biological control. Population ecology- historical development. Biological Characterístics of enthomophagous adults. Systematics in relation to biological control.