Acrocercops astaurota

Systematic position. Acrocercops astaurota is a species of moth belonging to the order Lepidoptera and the family Gracillariidae. This small insect is recognized as a significant pest, particularly in regions where cocoa cultivation is a major agricultural activity.

Host crops. The primary host for this species is the cocoa tree (Theobroma cacao). The larvae are known to target the foliage, causing distress to both young saplings and mature trees within tropical plantation environments.

Biology and life cycle. The life cycle involves complete metamorphosis: egg, larva, pupa, and adult. The females lay eggs on the leaves, and upon hatching, the larvae mine into the leaf tissue. This internal feeding pattern provides protection against predators and direct contact with topical pesticides.

Damage and pest significance. The damage is characterized by distinct serpentine mines created by the larvae feeding within the leaf mesophyll. These mines interfere with the photosynthetic process of the plant, often leading to chlorosis, leaf curling, premature leaf drop, and overall reduction in plant vigor.

Control measures. Integrated pest management strategies include:

• Routine scouting and monitoring of leaf surface for early-stage mining.
• Strategic use of biological control agents to manage larval populations.
• Application of systemic insecticides that reach larvae inside the leaf tissue.
• Pruning and destroying heavily infested branches to reduce local moth density.
• Promoting biodiversity within plantations to support beneficial predatory insects.