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Grasshoppers: Their Biology Identification and Management
   

Hopper 4.0

Hopper Overview

Hopper 4.0 can be used to help determine the best course of action when dealing with grasshopper outbreaks on rangeland. Managers can use hopper to estimate public, private, or total benefits versus costs for either public, private, or cooperative rangeland grasshopper control projects. Clearly, the decision to control or not control rangeland grasshoppers is not simple. The suggestions and guidelines in hopper will help managers avoid blunders, mistakes, and errors-and will help support rational pest management on public and private rangelands. Users should compare recommended treatments with other options developed since the program was written, such as RAATs and Dimilin. Not all treatment options listed in Hopper are currently registered for use on rangeland. Hopper 4.0 is a DOS based program and may not run on all Windows 2000 machines.

How to Install Hopper:

There is a simple program supplied that will guide you through the installation process and install Hopper on your computer's hard disk. To install Hopper and Hopper Lite, click on the Download Button.

Click Here to Download the Hopper Program

You will be prompted to choose a location to save a file called “hopper4.exe”. After the file is downloaded to your hard drive, simply run the program hopper4.exe. Then follow the directions on the screen to install Hopper on your computer.

Note: Hopper cannot be installed by simply copying the files to your hard disk. You must use the installation program.

Important Note About Starting Hopper and Hopper Lite on a Windows Machine.

After INSTALL finishes installing Hopper to the hard drive, Hopper is ready for use. Typically, Hopper will be located in a directory called C:\Hopper, unless a different drive and directory were specified during installation. Unlike typical Windows based programs, Hopper needs to find several of its files while it is running. Therefore, Hopper can be started only from its own directory.

To Start Hopper From Windows:

  1. Click on Start
  2. Click on Programs
  3. Click on MS-DOS Command Prompt.
  4. This opens a DOS window on your computer.
  5. You then need to change to the directory containing hopper.
  6. Type cd\ <Enter> to get to the main c: directory.
  7. To change to the Hopper directory and then to run Hopper, type:
  8. cd\hopper <ENTER>
  9. hopper <ENTER>

This assumes that Hopper was installed in C:\Hopper. If Hopper is started from a menu system, the menu must be programmed to make the Hopper directory the current directory before starting Hopper (similar to the above commands). Each time you start Hopper, you will be asked whether you would like to use  Hopper or Hopper Lite.

Users Manual: A complete users manual is available as part of the IPM User Handbook.

----------------------- HOPPER Disclaimer -----------------------

     HOPPER has been tested as much as possible with the available data and experts, and has performed satisfactorily.  However, the rangeland ecosystem is very complex and unpredictable.  In addition, HOPPER does not have any control over the data entered by each user.  Therefore, the results derived from HOPPER CANNOT be guaranteed.  The following disclaimer applies:

HOPPER and its associated files and documentation are distributed without any expressed or implied warranty of any kind.  The author, supplier or distributor shall not be liable for errors contained herein or for incidental or consequential damages in connection with furnishing, performance, use or misuse of these materials.

-------------------------------- Notice --------------------------------

Hopper still lists Acephate as an option. However, Acephate is no longer registered for use on rangeland. Please ignore any recommendations Hopper may make for Acephate. Hopper does not list Dimilin 2L as an option. As of 2001, Dimilin is registered for use on rangeland. Hopper does not incorporate the use of Reduced Agent Area Treatments that reduce application rates, costs, and environmental concerns, while maintaining effectiveness (see RAATs Brochure).

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