IPMP3.0, Oregon State University, Copyright 2000

Grasshoppers

Contents

Identification

Fact Sheet (requires Acrobat Reader 3.x or above to read and print. click below to download the free "Reader".)

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Registered Insecticides

References

[Insect Management]

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Link to large image (112K) of grasshopper adult

Link to large image (107K) of grasshopper adult

 Link to large image (115K) of grasshopper adult

Link to large image (136K) of grasshopper adult
Grasshopper Adults Grasshopper Adults
Link to large image )118K) of grasshopper egg pod There are several different species of grasshopper that feed on mint, particularly the migratory grasshopper, twostriped grasshopper, and the redlegged grasshopper.  Most adults range in size from about 25 to 30 mm long.  Both adults and nymphs feed on mint leaves in July and August. Grasshopper overwinter as eggs in the soil.  Nymphs begin emerging in May and June and molt to adults in 40 to 60 days. Adults may disperse into mint from adjacent crops such as alfalfa, wheat, grasses, or rangeland.

Grasshopper Eggs

 View the Fact Sheet for More Information

This section contains information on the management of grasshoppers in peppermint.  The Fact Sheet contains general information on identifcation and biology of grasshoppers (requires Acrobat Reader).  Several species of grasshoppers feed on mint during the summer. The most serious damage occurs in July and early August.  Most grasshopper disperse into mint fields from adjacent crops or rangeland.