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Grasshopper
Identification Guides / Fact Sheets
Grasshopper species identification is an integral part of any management
effort. While there are more than 400 known species of grasshoppers
in the Western United States, only about two dozen are considered
pest species capable of producing economic damage. A few species
are actually beneficial because they eat undesirable plants. Several
identification guides and keys are provided to help identify grasshopper
species and monitor their populations.
 Field
Guide to Common Western Grasshoppers
Second Edition
By Robert E. Pfadt, University of Wyoming
Wyoming Agricultural Experiment Station Bulletin 912
This handy guide from Dr. Robert Pfadt includes information on
grasshopper biology, anatomy, populations and life cycles. It
also shows how to survey grasshoppers and develop a grasshopper
collection.
Grasshopper
Species Fact Sheets
By Robert E. Pfadt, University of Wyoming
Wyoming Agricultural Experiment Station Bulletin 912
This collection of 56 species fact sheets is also from Dr. Pfadt
and features distribution maps and color photographs for each
species, as well as information on their economic importance,
identification and biology.
Grasshoppers
(Acrididae) of Colorado: Identification, Biology and Management
By J.L. Capinera and T.S. Sechrist
Colorado State University Experiment Station Bulletin No. 584S
Includes an illustrated dichotomous key to the adult grasshoppers
of Colorado, as well as information on seasonal occurrence, distribution,
host plant preferences and economic importance for over 70 grasshopper
species. Although developed for use in Colorado, this manual is
useful throughout the western U.S.
This original printed text has been formatted for the web by
the University of Wyoming at Laramie and is included here with
their permission.
Please note: This site will open in a separate browser
window. Close the window to return to this section.
Hopper
Helper
By Wendal Cushing
Hopper Helper provides field personnel with an easy-to-use guide
for survey operations while in the field. The guide incorporates
information on the life stages and species of grasshoppers found
in southwestern North Dakota and on western rangeland. Data for
this reference were based on studies done in the Grasshopper Integrated
Pest Management (GHIPM) Project demonstration area in McKenzie
County, ND.
Please note: Links to Hopper Helper will take you
to the Grasshopper IPM User Handbook. Click your “back”
arrow to return to this section.
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