Arecanut and Coconut are not just crops in Malnad and Coastal Karnataka – they are the backbone of rural economy, culture, and livelihood. But farmers here face a constant challenge: major pests and insects that damage the yield, reduce nut quality, and threaten the long-term health of plantations. Timely identification and effective management are essential to protect these heritage crops.
Major Pests & Insects in Arecanut
1. Mites (Raoiella indica, Oligonychus spp.)
Tiny sucking pests that infest leaves, causing yellowing and reduced photosynthesis.
Heavy infestations weaken the tree and lower the yield.
Control Measures:
Spray Sulphur-based acaricides or Multiplex Miticide (available on Agriplex).
Maintain proper irrigation to reduce stress.
2. Spindle Bug (Carvalhoia arecae)
Attacks spindle and emerging leaves, leaving brown patches and drying tips.
Severe attack can reduce nut formation.
Control Measures:
Spray Systemic insecticides (Imidacloprid) in the spindle region.
Regular field monitoring to detect early attack.
3. Inflorescence Caterpillar (Tirathaba mundella)
Larvae bore into flowers and nuts, causing premature nut drop.
A major threat during flowering season.
Control Measures:
Spray Contact insecticides (Chlorpyriphos or Thiamethoxam).
Remove and destroy affected inflorescences.
Major Pests & Insects in Coconut
1. Rhinoceros Beetle (Oryctes rhinoceros)
Bores into the crown and spindle, damaging unopened fronds.
Leads to reduced nut yield and sometimes palm death.
Control Measures:
Use pheromone traps for adult beetle trapping.
Apply Neem-based formulations like Multiplex Neem Oil (Buy here).
2. Red Palm Weevil (Rhynchophorus ferrugineus)
Most destructive pest of coconut.
Larvae bore inside stem tissues, causing yellowing, crown damage, and tree death.
Control Measures:
Use fermented pheromone traps for monitoring.
Inject Imidacloprid solution into the trunk.
3. Eriophyid Mite (Aceria guerreronis)
Infests tender nuts, causing brown patches, cracks, and malformed nuts.
Reduces copra quality and oil recovery.
Control Measures:
Spray Sulphur-based acaricides.
Ensure timely harvesting to reduce infestation.
Product Suggestions for Farmers
To effectively manage these pests, farmers can use trusted crop protection products from Agriplex India:
Multiplex Miticide – for mites in Arecanut & Coconut.
Multiplex Neem Oil 10000 ppm – organic solution for Rhinoceros beetle & sucking pests.
Systemic Insecticides (Imidacloprid, Thiamethoxam) – for spindle bug, inflorescence caterpillar, red palm weevil.
Sulphur Formulations – for eriophyid mites and leaf mites.
Arecanut and Coconut are lifeline crops of Malnad and Coastal Karnataka, but pests like Rhinoceros beetle, Red palm weevil, mites, and spindle bugs pose serious threats. Farmers must adopt Integrated Pest Management (IPM), combining traditional practices, timely monitoring, and modern crop protection inputs.
With right interventions and reliable products from Agriplex India, farmers can safeguard their plantations, ensuring healthy crops, sustained yield, and pride for generations to come.