Wingspan of 22-28 mm in males and 26-35 mm in females. Forewings white with vein R1 adjoining vein Sc. Hindwings white and frenulum spines single. Anal tufts are orange red in female.
Larvae
Smooth, white to cream coloured with a red coloured mid dorsal stripe.
Eggs
Laid in masses on the upper side of leaves near the growing point. Egg masses are covered in tufts of orange-brown hairs from the female.
Distribution
Southern Asia and Oceania
Economic Host(s)
Rice, sugarcane and wheat
Symptons/Signs
Early instars feed on unfurling leaves before later boring into the heart of the plant and stems. The top shoot becomes withered and stunted.
Generations
3-5 (climate dependent)
Monitoring
Adults Present
March to October (climate dependent)
Recommended Trap Density
2 traps per hectare in large uniform areas of crops and 3- 5 traps per hectare in less dense or mixed crop stands
Trap Maintenance
Check traps on a regular basis; at least twice a week. Replace the pheromone dispensers every 4 weeks to achieve optimum results.
Replace sticky inserts once they become saturated with dust or insects.
Storage
Keep product away from heat and direct sunlight. Store in a refrigerator for a shelf life of 12 months or a freezer for an extended life of 24 months. Always store sealed in
original packaging.