Almond bud mite

The almond bud mite (Acalitus phloeocoptes) belongs to the order Trombidiformes and the family Eriophyidae. It is a minute, microscopic pest that specifically targets almond trees. Its presence is often indicated only by structural changes in the host plant tissue rather than direct observation of the mite itself.

This pest is primarily a threat to almond orchards. While it is rarely lethal, a severe infestation can significantly reduce the vitality of the trees. By consuming plant juices and causing abnormal tissue growth, the mite puts long-term stress on the trees, leading to lower nut quality and yield.

The biological cycle of this mite is highly dependent on the tree's growth stages. Adults overwinter in protected areas such as bark crevices or underneath bud scales. As temperatures rise in spring, they move to the newly developing shoots to feed and reproduce, completing multiple generations throughout the growing season.

The characteristic damage caused by Acalitus phloeocoptes is the formation of small, round galls around the base of the buds. These galls disrupt the normal physiological processes of the twigs. Eventually, the infested buds may fail to develop, and the affected wood becomes stunted or necrotic.

Managing the almond bud mite requires a proactive and integrated approach:

• Pruning and removing infested branches to reduce the overwintering population.
• Applying acaricides during the early spring migration period.
• Ensuring proper irrigation and nutrition to maintain overall tree vigor.
• Regular inspection of buds and young shoots for early detection of gall clusters.