Tea pink mite

The tea pink mite (Acaphylla theavagrans) is a microscopic pest belonging to the Eriophyidae family, order Trombidiformes. It is a major economic threat to the tea industry, particularly in regions with favorable humid climates, where it can rapidly devastate young foliage.

The primary host for this mite is the tea plant (Camellia sinensis). These pests colonize the abaxial surface of young leaves. By piercing the epidermal cells, they feed on the plant sap, leading to substantial disruption of the plant's metabolic processes and overall health.

The biological life cycle of Acaphylla theavagrans is relatively short, encompassing egg, larva, nymph, and adult stages. Under optimal temperatures and high humidity, generations can follow one another rapidly, allowing the pest to reach damaging population levels in a very short timeframe.

Symptoms of an infestation include the curling and browning of leaves, often accompanied by a distinct pinkish or bronze discoloration. The resulting damage causes severe defoliation and reduction in shoot growth, which significantly impacts the quality and quantity of the tea harvest.

Effective management and protection strategies include:

• Consistent field scouting to detect infestations at an early stage.
• Targeted application of acaricides ensuring compliance with safety harvest intervals.
• Pruning techniques designed to reduce the microhabitat suitable for mite proliferation.
• Integration of biological control measures, including the conservation of predatory mite populations that feed on A. theavagrans.