What Are Clover Mites?

Check out this answer from Consensus:

Clover mites are small arachnids that play a role in the ecosystem by contributing to organic matter decomposition. While they can become a nuisance in homes, their presence in agricultural settings can be beneficial, particularly when integrated into systems that enhance soil health.

Clover mites are small arachnids belonging to the family Tetranychidae. They are often found in large numbers on plants and can become a nuisance when they invade homes. These mites are particularly associated with clover and other grasses, which serve as their primary food sources.

Habitat and Behavior

Clover mites thrive in areas with abundant vegetation, particularly where clover and grasses are present. They are most active during cooler weather in the spring and fall, as they prefer moderate temperatures. During these times, their populations can increase significantly, leading to noticeable infestations.

Impact on Agriculture

Clover mites can have both positive and negative impacts on agriculture. On one hand, they are part of the soil detritus food-web and contribute to the decomposition of organic matter, which can enhance soil health and fertility. For instance, in fields where white clover is used as a living mulch, the presence of clover mites and other microarthropods can lead to increased litter decomposition rates, thereby improving the function of the detritus food-web1.

Control and Management

While clover mites are generally harmless to humans and do not cause significant damage to plants, their presence in large numbers can be undesirable, especially when they enter homes. Effective management strategies include maintaining a vegetation-free barrier around building foundations and using appropriate insecticides if necessary. Additionally, promoting a balanced ecosystem in agricultural settings, such as through the use of living mulches like white clover, can help manage clover mite populations naturally1.