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Clover Mites

Clover mites are very small red and green mites, often concentrated in grass next to the foundation of a building. They are especially abundant in Colorado when winters are dry and warm, and they congregate on the south and west side of buildings. Mites will enter buildings during the winter months and, depending on weather conditions, will stay from October through early May. Freezing temperatures cause the mites to become dormant, but several generations are born during their active period.

Clover mite

Clover mites will damage grass, turning it a silvery color. Once in a building, mites can spread to walls, curtains, furniture and carpet. Although they do not bite, transmit diseases or feed on household furnishings, they can be a nuisance and leave red stains when crushed on surfaces. Winter watering, especially on southwestern exposures, can alleviate mite problems. To keep clover mites from coming inside a building, leave an unplanted, three-foot border around the building.

To chemically prevent clover mites from entering a building, spray Bifenthrin on the foundation on the south and western sides of the building. These chemicals can control clover mites in grass areas, too. Inside homes, vacuum mites and immediately dispose of the bag.

For more information, see the following Colorado State University Extension fact sheet(s).

For more information, see the following Planttalk Colorado™ script(s).


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Updated Thursday, October 16, 2014