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  • Important Update: ISA’s annual physical inventory process is taking place soon! Orders placed after 1pm on Friday, June 19th, through Friday, June 26th will not ship until the week of July 6th, 2020.
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  • Insects

Insects That Feed on Trees and Shrubs

By Warren T. Johnson and Howard H. Lyon

  • Item #: O2011
  • Member Price: $89.95(US Dollars)
  • Non-member Price: $105.95(US Dollars)
  • Quantity:    
For diagnosing insect problems, this publication from Cornell University Press is one of the most comprehensive and functional manuals available. Essential facts for identifying more than 900 insects, mites, and other organisms are provided with 241 full-color plates to visually recognize insects and their damage potential to trees and shrubs.

(©1991, hardcover, 560 pp., glossary, index, full-color photos)

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  • 8/5/2019 5:09:06 AM
    I have purchased two courses and both of the video seminars attached will not open. I have emailed ISA and have not recieved a responce....? Please help