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Dealing with pests that are destroying your durian leaves requires a combination of identification, prevention, and treatment. Here's a step-by-step guide to help you manage the issue: --- 1. *Identify the Pest* Inspect the leaves carefully to determine the type of pest. Common pests that attack durian trees include: *Durian psyllids* (*Allocaridara malayensis*): Small, sap-sucking insects that cause leaf curling and yellowing. **Mealybugs**: White, cotton-like insects that feed on sap. **Scale insects**: Small, hard-shelled pests that attach to leaves and stems. **Caterpillars or leaf-eating beetles**: These chew on the leaves, leaving holes or skeletonized foliage. **Mites**: Tiny spider-like pests that cause yellow or brown spots on leaves. Take photos or collect samples to confirm the pest type, as this will determine the best treatment. --- 2. *Cultural Control* **Prune affected leaves**: Remove heavily infested leaves and branches to prevent the pests from spreading. **Maintain tree health**: Ensure your durian tree is healthy by providing proper nutrients, water, and sunlight. A healthy tree is more resistant to pests. **Clean the area**: Remove fallen leaves and debris around the tree, as they can harbor pests. --- 3. *Natural Remedies* **Neem oil**: A natural pesticide that disrupts the life cycle of many pests. Mix with water and spray on the leaves. **Garlic or chili spray**: Blend garlic or chili with water, strain, and spray on the leaves to repel pests. **Soap solution**: Mix mild liquid soap with water and spray on the leaves to suffocate soft-bodied insects like aphids and mealybugs. **Beneficial insects**: Introduce natural predators like ladybugs or lacewings to control pest populations. --- 4. *Chemical Control* If the infestation is severe, you may need to use chemical pesticides. Choose products specifically labeled for the pest you're dealing with and safe for durian trees. **Systemic insecticides**: These are absorbed by the plant and can control sap-sucking pests like psyllids and mealybugs. **Contact insecticides**: These kill pests on contact but may need repeated applications. Always follow the manufacturer's instructions and avoid overuse to prevent harm to beneficial insects and the environment. --- 5. *Monitor and Prevent Future Infestations* Regularly inspect your durian tree for signs of pests. Use sticky traps to monitor flying insects. Apply preventive treatments like neem oil or insecticidal soap every few weeks. --- 6. *Consult an Expert* If the problem persists, consult a local agricultural extension officer or a pest control expert for tailored advice. By combining these methods, you can effectively manage the pests and protect your durian tree. (DeepSeek)