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How to Manage Pests
UC Pest Management Guidelines
Peppers
Twospotted Spider Mite
Scientific name: Tetranychus urticae
(Reviewed 8/07,
updated 8/07)
In this Guideline:
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Eggs of the twospotted spider mite are round, clear, and colorless
when laid, but become pearly white when ready to hatch. Nymphs and adults are
egg-shaped and generally yellow or greenish in color. On each side of their
bodies are one or more dark spots; the top of the abdomen is free of spots. Twospotted mites are generally found in small colonies on the underside of mature pepper
leaves in late summer.
Twospotted mites are not damaging to peppers in California
production areas. They seem to prefer other solanaceous crops, such as
eggplant, more than peppers.
Mites are not a major problem on peppers and treatments are generally
not required.
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UC IPM Pest Management Guidelines: Peppers
UC ANR Publication 3460
Insects and Mites
W. E. Chaney, UC Cooperative Extension, Monterey County
C. F. Fouche, UC Cooperative Extension, San Joaquin County
Acknowledgment for contributions to insect and mite section:
W. J. Bentley, UC IPM Program, Kearney Agricultural Center, Parlier
R. L. Coviello, UC Cooperative Extension, Fresno County
C. G. Summers, Kearney Agricultural Center, Parlier
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