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  How to Manage Pests>Mint

 

Insect Thresholds of Mint

Pest Threshold Reference
mintaphid.jpg (3841 bytes) mint aphid 15 to 20 per sweep UI CIS 773 (1993)
2spottedspidermites.jpg (3547 bytes) two-spotted spider mite 5 mites per leaf in several areas of a field UI CIS 773 (1993)
mintrootborer.jpg (3472 bytes) mint root borer 1 larva in a new field (1-2 years old) UI CIS 773 (1993)
redbackcutworm.jpg (4008 bytes) cutworm

     early season

     mid to late season

 

1 per square foot in a new field, 5 per square foot in an established field

3 per sweep                                           

UI CIS 773 (1993)
cabbagelooper.jpg (1943 bytes) loopers 5 or more per sweep (at least 1/2 inch long) UI CIS 773 (1993)

Thresholds are not available for these pests: mint stem borer; false celery leaftier.

References:  UI CIS 773 Insect control recommendations for mint production in Idaho.

Revised: August 12, 2008

 
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