Clover Mites on Patio Furniture: Identification and Safe Treatment

Clover Mites on Patio Furniture: Identification and Safe Treatment

A homeowner on Long Island notices tiny pinkish crawling mites on dark patio furniture surrounded by evergreen bushes. White clusters on needles may be eggs. Concerned about bringing them indoors.

Identification: Clover Mites

• Clover mites (Bryobia praetiosa) are a type of spider mite.
• Key feature: Long front legs that resemble antennae (mites lack antennae).
• Color: Reddish-brown to pinkish.
• Often congregate on sunny surfaces (walls, furniture) in spring/fall.

Source and Behavior

They feed on grasses, clover, and plants (including evergreens) but do not cause significant plant damage. They migrate onto structures accidentally. They do not bite humans or pets.

Treatment

• Insecticidal soap (potassium salts of fatty acids) applied to furniture and nearby vegetation. Safe for plants when used as directed.
• Do not use household soap/detergent—can damage plant foliage.
• Vacuum or wipe furniture with soapy water for immediate removal.
• Reduce vegetation contact with structures; create a 12-18 inch barrier of gravel or mulch.

Indoor Prevention

Seal cracks around windows and doors. If they enter, vacuum them—they die quickly indoors due to low humidity.