Mango gall mite

Taxonomic position: Tegonotus mangiferae is classified within the order Acariformes and the family Eriophyidae. These are microscopic, vermiform mites that are highly specialized feeders, causing significant physiological and morphological distress to their specific host plants.

Host plants: The primary and almost exclusive host for this pest is the mango tree (Mangifera indica). It thrives on succulent parts of the plant, including expanding buds, young foliage, and developing inflorescences, making it a critical threat to the overall health and reproductive output of the tree.

Biology and life cycle: The mite completes its entire life cycle on the host plant, moving between shoots during the active growth period. Rapid population growth is achieved under favorable conditions of high humidity and moderate temperatures, resulting in multiple overlapping generations throughout the season.

Damage and impact: Feeding activity triggers hyperplastic tissue growth, leading to the formation of galls or characteristic distortion and curling of the leaves. This damage disrupts metabolic processes, hinders growth, and frequently results in the loss of inflorescences, which directly translates into significant economic losses for commercial mango growers.

Control measures: Implementing an integrated pest management (IPM) program is essential for controlling Tegonotus mangiferae:

• Regular application of specialized acaricides during the flushing stages of the tree.
• Sanitation through pruning and removing severely infested branches to prevent further spread.
• Monitoring orchard conditions to ensure trees are not stressed, which increases their susceptibility.
• Encouraging populations of natural predators to provide biological control within the mango plantation.