22/04/2026
📢 EARLY ALERT: TAGOSTOS (ARMYWORM) INFESTATION
An early outbreak of Tagostos or Armyworm has been recorded in Manapla and Silay—appearing weeks ahead of the usual June infestation period.
This unusual timing is strongly linked to Climate Change. Rising temperatures, unpredictable rainfall, and shorter dry periods are creating ideal conditions for pests to breed faster, survive longer, and spread earlier across sugarcane fields.
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🌱 Climate Change & Pest Behavior
• Warmer climates accelerate the life cycle of the Armyworm, allowing more generations within a season
• Irregular rainfall patterns can trigger early hatching and migration
• Changes in humidity and temperature weaken plant resistance, making crops more vulnerable
• Pest outbreaks are becoming less predictable and more frequent due to shifting climate conditions
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/ : A Growing Threat to Sugarcane Fields.
The Armyworm can destroy crops for up to three (3) weeks and attacks in large groups—causing severe damage even overnight. With climate change, infestations like this may occur earlier, last longer, and impact wider areas.
Farmers are strongly advised to stay alert. Early signs should never be ignored, as infestations can rapidly escalate.
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🌱Recommended Actions/Preventive Measures:
✅ Keep fields clean
Avoid thick w**ds within and around the field, especially along canals—these can serve as breeding grounds.
✅ Conduct regular inspection
Monitor fields daily, especially in the early morning. Check leaves and plant bases for feeding damage and larvae. 🧐
✅ Apply pesticides when necessary
If infestation becomes severe, spray during early morning or late afternoon. Effective options include:
• Cypermethrin
• Diazinon
• Rynaxypyr
• Carbamate
• Permethrin
✅ Report immediately
Coordinate with Department of Agriculture - LGU, Sugar Regulatory Administration, and PHILSURIN for monitoring and technical support.
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⚠️ Climate Reminder:
Because of Climate Change, traditional pest calendars may no longer apply. Farmers should shift from seasonal response to "continuous monitoring and early action" to protect crops.
🌱 Stay vigilant. Adapt to changing climate conditions. Act early to protect your harvest.
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