This website provides one of the most comprehensive sources of information on the biology, ecology, identification and management of grasshoppers and Mormon crickets in North America. It also contains information on non-target effects, current survey information, and decision support software. The site was produced by the USDA-ARS-Northern Plains Agricultural Research Lab in Sidney, Montana, and several collaborators.

Grasshopper Identification Guides and Species Fact Sheets  Several identification guides, keys and a naturalist's guide are provided to help identify grasshopper species throughout North America and to provide information on the biology and economic importance of individual species.  Fact sheets, with photographs, for 60 common species.

Field Guide to Common Western Grasshoppers  An overview of grasshopper biology, ecology, anatomy, life cycles and surveys.

Grazing Management and Grasshoppers  Grazing management methods to help reduce grasshopper outbreaks.

Chemical Control Methods  New aerial and ground based techniques (RAATs) for reducing pesticide application rates, costs, and environmental concerns.

Electronic Key for Common Adult Grasshoppers of the Western U.S.  This new key from USDA-APHIS is a powerful yet simple interactive identification system that allows users to identify 58 common adult grasshoppers.

Grasshopper Management Information  Includes practical grasshopper management guides, USDA-APHIS grasshopper control program information, environmental side-effects of grasshopper control, and IPM and chemical control research reports.

Outbreak Information  Regional hazard maps for the Western United States and updated grasshopper and Mormon cricket outbreak field survey and forecast information.

APHIS' Grasshopper Integrated Pest Management User Handbook  Practical information on grasshopper control methods, environmental impacts, range management techniques, grasshopper ecology, outbreaks and modeling.

Decision Support Software for Rangeland Grasshopper Management  Computer software providing advice on the best course of action for dealing with grasshopper outbreaks.

NPARL Grasshopper Management Research and Publications  An overview of grasshopper and Mormon cricket research being conducted at USDA-ARS Northern Plains Agricultural Research Laboratory (NPARL) and a list of grasshopper publications.