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Grasshoppers of Wyoming and the West

Entomology

Threebanded Grasshopper

Hadrotettix trifasciatus (Say)

Hadrotettix trifasciatus occurs east of the Continental Divide in Wyoming. It prefers dry rangeland on coarse soils, frequently concentrating on dry, rocky hilltops and patches of barren ground. Eggs overwinter in the soil. Adults are present from mid July to September. It is a mixed feeder but prefers forbs such as globemallow, locoweed, and wild sunflower. It causes little if any economic damage in Wyoming.
Ref: Otte 1981, and Capinera and Sechrist 1982.

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Grasshoppers of Wyoming and the West

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Field Guide to Common Western Grasshoppers

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Wyoming Distribution Atlas

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Wyoming Grasshopper Information System (WGIS)

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Key to Wyoming Grasshoppers

LEARN MORE Key to Wyoming Grasshoppers Introduction Families (Tetrigidae and Acrididae)KEY TO SPECIES: TETRIGIDAE KEY TO SUBFAMILIES: ACRIDIDAE Key to Subfamily: Gomphocerniae Key to Subfamily: Oedipodinae KEY TO SUBFAMILIES: MELANOPLINAE and CYRTACANTHACRIDINAE Glossary Figures

Wyoming Grasshopper Maps

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Grasshoppers of Colorado

LEARN MORE Grasshoppers of Colorado Biology Distribution Maps Fact Sheets Key to Stages of Grasshopper Development

Reduced Agent and Area Treatments (RAATs)

LEARN MORE Grasshoppers of Wyoming and the West Field Guide to Common Western Grasshoppers Wyoming Distribution Atlas Wyoming Grasshopper Information System (WGIS)Key to Wyoming Grasshoppers Wyoming Grasshopper Maps Grasshoppers of Colorado Reduced Agent and Area Treatments (RAATs)Grasshopper Links Rangeland Grasshopper Management

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Rangeland Grasshopper Management

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Ecosystem Science and Management

College of Agriculture, Life Sciences & Natural Resources

1000 E. University Ave
Laramie, WY 82071
Dept. 3354
Email: sschell@uwyo.edu
Phone: (307) 766-2508

The University of Wyoming has earned its Research Level 1 (R1) status from the Carnegie Classification of Institutions of Higher Education, placing Wyoming's only four-year university with the top research universities in the United States.